Skip to main content
Top
Gepubliceerd in: Quality of Life Research 8/2017

02-03-2017 | Review

Health-related quality of life in patients receiving long-term opioid therapy: a systematic review with meta-analysis

Auteurs: J. Douglas Thornton, Rashmi Goyat, Nilanjana Dwibedi, George A. Kelley

Gepubliceerd in: Quality of Life Research | Uitgave 8/2017

Log in om toegang te krijgen
share
DELEN

Deel dit onderdeel of sectie (kopieer de link)

  • Optie A:
    Klik op de rechtermuisknop op de link en selecteer de optie “linkadres kopiëren”
  • Optie B:
    Deel de link per e-mail

Abstract

Purpose

Over 25 million Americans reported having daily pain and between 5 and 8 million Americans used opioids to treat chronic pain in 2012. This is the first systematic review with meta-analysis to determine the effects of long-term opioid use on the Physical Component Summary (PCS) score and Mental Component Summary (MCS) scores of a Health-Related Quality of Life instrument in adults without opioid use disorder.

Methods

The a priori eligibility criteria for the PubMed (MEDLINE), Scopus, and PsyINFO searches were (1) randomized controlled trial, (2) at least one opioid intervention group, (3) minimum of 4-week duration of opioid use, (4) comparative control group, and (5) adults ≥18 years that do not have dominant disease. The unit of analysis was the standardized mean difference effect size (Hedges’s g). All results were pooled using random-effects models.

Results

Of the 340 non-duplicate citations screened, 19 articles comprising 26 treatment comparisons and 6168 individuals (treatment n = 3160; comparators n = 3008 with duplicates removed) met the inclusion criteria for the systematic review. Thirteen treatment comparisons were available for the meta-analysis. Across all PCS analyses, small, statistically significant improvements were observed (opioid versus opioid only: g = 0.27, 95% CI 0.05–0.50, opioid versus placebo only: g = 0.18, 95% CI 0.08–0.28, and all studies combined: g = 0.22, 95% CI 0.11–0.32). There were small but not statistically significant changes on the MCS scores. Overall, high heterogeneity was present.

Conclusions

PCS scores improve with no change in MCS scores. However, long-term opioid trials are rare and only two trials included lasted longer than 1 year.
Bijlagen
Alleen toegankelijk voor geautoriseerde gebruikers
Literatuur
1.
go back to reference Ballantyne, J. C., & Shin, N. S. (2008). Efficacy of opioids for chronic pain: A review of the evidence. The Clinical Journal of Pain, 24(6), 469–478.CrossRefPubMed Ballantyne, J. C., & Shin, N. S. (2008). Efficacy of opioids for chronic pain: A review of the evidence. The Clinical Journal of Pain, 24(6), 469–478.CrossRefPubMed
2.
go back to reference Eriksen, J., Sjogren, P., Bruera, E., Ekholm, O., & Rasmussen, N. K. (2006). Critical issues on opioids in chronic non-cancer pain: An epidemiological study. Pain, 125(1–2), 172–179.CrossRefPubMed Eriksen, J., Sjogren, P., Bruera, E., Ekholm, O., & Rasmussen, N. K. (2006). Critical issues on opioids in chronic non-cancer pain: An epidemiological study. Pain, 125(1–2), 172–179.CrossRefPubMed
3.
go back to reference Institute of Medicine. (2011). Relieving pain in America: A blueprint for transforming prevention, care, education, and research. Washington, DC: National Academies Press Institute of Medicine. (2011). Relieving pain in America: A blueprint for transforming prevention, care, education, and research. Washington, DC: National Academies Press
4.
go back to reference Gaskin, D. J., & Richard, P. (2012). The economic costs of pain in the United States. The Journal of Pain: Official Journal of the American Pain Society, 13(8), 715–724.CrossRef Gaskin, D. J., & Richard, P. (2012). The economic costs of pain in the United States. The Journal of Pain: Official Journal of the American Pain Society, 13(8), 715–724.CrossRef
5.
go back to reference Nahin, R. L. (2015). Estimates of pain prevalence and severity in adults: United States, 2012. The Journal of Pain: Official Journal of the American Pain Society, 16(8), 769–780.CrossRef Nahin, R. L. (2015). Estimates of pain prevalence and severity in adults: United States, 2012. The Journal of Pain: Official Journal of the American Pain Society, 16(8), 769–780.CrossRef
6.
go back to reference Rosenblum, A., Marsch, L. A., Joseph, H., & Portenoy, R. K. (2008). Opioids and the treatment of chronic pain: Controversies, current status, and future directions. Experimental and Clinical Psychopharmacology, 16(5), 405–416.CrossRefPubMedPubMedCentral Rosenblum, A., Marsch, L. A., Joseph, H., & Portenoy, R. K. (2008). Opioids and the treatment of chronic pain: Controversies, current status, and future directions. Experimental and Clinical Psychopharmacology, 16(5), 405–416.CrossRefPubMedPubMedCentral
8.
go back to reference Dowell, D., Haegerich, T. M., & Chou, R. (2016). CDC guideline for prescribing opioids for chronic pain—United States. JAMA, 315, 1624–1645.CrossRefPubMed Dowell, D., Haegerich, T. M., & Chou, R. (2016). CDC guideline for prescribing opioids for chronic pain—United States. JAMA, 315, 1624–1645.CrossRefPubMed
11.
go back to reference Centers for Disease Control and Prevention. (2011). Vital signs: Overdoses of prescription opioid pain relievers—United States, 1999–2008. MMWR: Morbidity and Mortality Weekly Report, 60(43), 1487–1492. Centers for Disease Control and Prevention. (2011). Vital signs: Overdoses of prescription opioid pain relievers—United States, 1999–2008. MMWR: Morbidity and Mortality Weekly Report, 60(43), 1487–1492.
12.
go back to reference Zgierska, A., Miller, M., & Rabago, D. (2012). Patient satisfaction, prescription drug abuse, and potential unintended consequences. JAMA: The Journal of the American Medical Association, 307(13), 1377–1378.CrossRefPubMed Zgierska, A., Miller, M., & Rabago, D. (2012). Patient satisfaction, prescription drug abuse, and potential unintended consequences. JAMA: The Journal of the American Medical Association, 307(13), 1377–1378.CrossRefPubMed
13.
go back to reference Ballantyne, J. C., & Mao, J. (2003). Opioid therapy for chronic pain. The New England Journal of Medicine, 349(20), 1943–1953.CrossRefPubMed Ballantyne, J. C., & Mao, J. (2003). Opioid therapy for chronic pain. The New England Journal of Medicine, 349(20), 1943–1953.CrossRefPubMed
15.
go back to reference Coons, S. J., Rao, S., Keininger, D. L., & Hays, R. D. (2000). A comparative review of generic quality-of-life instruments. Pharmacoeconomics, 17(1), 13–35.CrossRefPubMed Coons, S. J., Rao, S., Keininger, D. L., & Hays, R. D. (2000). A comparative review of generic quality-of-life instruments. Pharmacoeconomics, 17(1), 13–35.CrossRefPubMed
16.
go back to reference Cook, D. J., Mulrow, C. D., & Haynes, R. B. (1997). Systematic reviews: Synthesis of best evidence for clinical decisions. Annals of Internal Medicine, 126(5), 376–380.CrossRefPubMed Cook, D. J., Mulrow, C. D., & Haynes, R. B. (1997). Systematic reviews: Synthesis of best evidence for clinical decisions. Annals of Internal Medicine, 126(5), 376–380.CrossRefPubMed
17.
go back to reference Garg, A. X., Hackman, D., & Tonelli, M. (2008). Systematic review and meta-analysis: When one study is just not enough. Clinical Journal of the American Society of Nephrology, 3(1), 253–260.CrossRefPubMed Garg, A. X., Hackman, D., & Tonelli, M. (2008). Systematic review and meta-analysis: When one study is just not enough. Clinical Journal of the American Society of Nephrology, 3(1), 253–260.CrossRefPubMed
18.
go back to reference Skelly, A. C. (2014). Credibility matters: Mind the gap. Evid Based Spine Care Journal, 5(1), 2–5.CrossRef Skelly, A. C. (2014). Credibility matters: Mind the gap. Evid Based Spine Care Journal, 5(1), 2–5.CrossRef
19.
go back to reference De Maeyer, J., Vanderplasschen, W., & Broekaert, E. (2010). Quality of life among opiate-dependent individuals: A review of the literature. International Journal on Drug Policy, 21(5), 364–380.CrossRefPubMed De Maeyer, J., Vanderplasschen, W., & Broekaert, E. (2010). Quality of life among opiate-dependent individuals: A review of the literature. International Journal on Drug Policy, 21(5), 364–380.CrossRefPubMed
20.
go back to reference Ekstrom, M., Nilsson, F., Abernethy, A. A., & Currow, D. C. (2015). Effects of opioids on breathlessness and exercise capacity in chronic obstructive pulmonary disease. A systematic review. Annals of the American Thoracic Society, 12(7), 1079–1092.CrossRefPubMed Ekstrom, M., Nilsson, F., Abernethy, A. A., & Currow, D. C. (2015). Effects of opioids on breathlessness and exercise capacity in chronic obstructive pulmonary disease. A systematic review. Annals of the American Thoracic Society, 12(7), 1079–1092.CrossRefPubMed
21.
go back to reference Thakur, D., Dickerson, S., Kumar Bhutani, M., & Junor, R. (2015). Impact of prolonged-release oxycodone/naloxone on outcomes affecting patients’ daily functioning in comparison with extended-release tapentadol: A systematic review. Clinical Therapeutics, 37(1), 212–224.CrossRefPubMed Thakur, D., Dickerson, S., Kumar Bhutani, M., & Junor, R. (2015). Impact of prolonged-release oxycodone/naloxone on outcomes affecting patients’ daily functioning in comparison with extended-release tapentadol: A systematic review. Clinical Therapeutics, 37(1), 212–224.CrossRefPubMed
22.
go back to reference Liberati, A., Altman, D. G., Tetzlaff, J., et al. (2009). The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: Explanation and elaboration. BMJ, 339, b2700.CrossRefPubMedPubMedCentral Liberati, A., Altman, D. G., Tetzlaff, J., et al. (2009). The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: Explanation and elaboration. BMJ, 339, b2700.CrossRefPubMedPubMedCentral
23.
go back to reference Afilalo, M., & Morlion, B. (2013). Efficacy of tapentadol ER for managing moderate to severe chronic pain. Pain Physician, 16(1), 27–40.PubMed Afilalo, M., & Morlion, B. (2013). Efficacy of tapentadol ER for managing moderate to severe chronic pain. Pain Physician, 16(1), 27–40.PubMed
24.
go back to reference Baron, R., Jansen, J. P., Binder, A., et al. (2015). Tolerability, safety, and quality of life with tapentadol prolonged release (pr) compared with oxycodone/naloxone PR in patients with severe chronic low back pain with a neuropathic component: A randomized, controlled, open-label, phase 3b/4 trial. Pain Practice. doi:10.1111/papr.12361. Baron, R., Jansen, J. P., Binder, A., et al. (2015). Tolerability, safety, and quality of life with tapentadol prolonged release (pr) compared with oxycodone/naloxone PR in patients with severe chronic low back pain with a neuropathic component: A randomized, controlled, open-label, phase 3b/4 trial. Pain Practice. doi:10.​1111/​papr.​12361.
25.
go back to reference Bennett, R. M., Schein, J., Kosinski, M. R., Hewitt, D. J., Jordan, D. M., & Rosenthal, N. R. (2005). Impact of fibromyalgia pain on health-related quality of life before and after treatment with tramadol/acetaminophen. Arthritis and Rheumatism, 53(4), 519–527.CrossRefPubMed Bennett, R. M., Schein, J., Kosinski, M. R., Hewitt, D. J., Jordan, D. M., & Rosenthal, N. R. (2005). Impact of fibromyalgia pain on health-related quality of life before and after treatment with tramadol/acetaminophen. Arthritis and Rheumatism, 53(4), 519–527.CrossRefPubMed
26.
go back to reference Binsfeld, H., Szczepanski, L., Waechter, S., Richarz, U., & Sabatowski, R. (2010). a randomized study to demonstrate noninferiority of once-daily OROS® hydromorphone with twice-daily sustained-release oxycodone for moderate to severe chronic noncancer pain. Pain Practice: The Official Journal of World Institute of Pain, 10(5), 404–415.CrossRef Binsfeld, H., Szczepanski, L., Waechter, S., Richarz, U., & Sabatowski, R. (2010). a randomized study to demonstrate noninferiority of once-daily OROS® hydromorphone with twice-daily sustained-release oxycodone for moderate to severe chronic noncancer pain. Pain Practice: The Official Journal of World Institute of Pain, 10(5), 404–415.CrossRef
27.
go back to reference Gajria, K., Kosinski, M., Schein, J., Kavanagh, S., & Dubois, D. (2008). health-related quality-of-life outcomes in patients treated with push-pull OROS hydromorphone versus Extended-release oxycodone for chronic hip or knee osteoarthritis pain: A randomized, open-label, parallel-group, multicenter study. The Patient, 1(3), 223–238.CrossRefPubMed Gajria, K., Kosinski, M., Schein, J., Kavanagh, S., & Dubois, D. (2008). health-related quality-of-life outcomes in patients treated with push-pull OROS hydromorphone versus Extended-release oxycodone for chronic hip or knee osteoarthritis pain: A randomized, open-label, parallel-group, multicenter study. The Patient, 1(3), 223–238.CrossRefPubMed
28.
go back to reference Gordon, A., Callaghan, D., Spink, D., et al. (2010). Buprenorphine transdermal system in adults with chronic low back pain: A randomized, double-blind, placebo-controlled crossover study, followed by an open-label extension phase. Clinical Therapeutics, 32(5), 844–860.CrossRefPubMed Gordon, A., Callaghan, D., Spink, D., et al. (2010). Buprenorphine transdermal system in adults with chronic low back pain: A randomized, double-blind, placebo-controlled crossover study, followed by an open-label extension phase. Clinical Therapeutics, 32(5), 844–860.CrossRefPubMed
29.
go back to reference Kalso, E., Simpson, K. H., Slappendel, R., Dejonckheere, J., & Richarz, U. (2007). Predicting long-term response to strong opioids in patients with low back pain: Findings from a randomized, controlled trial of transdermal fentanyl and morphine. BMC Medicine, 5, 39.CrossRefPubMedPubMedCentral Kalso, E., Simpson, K. H., Slappendel, R., Dejonckheere, J., & Richarz, U. (2007). Predicting long-term response to strong opioids in patients with low back pain: Findings from a randomized, controlled trial of transdermal fentanyl and morphine. BMC Medicine, 5, 39.CrossRefPubMedPubMedCentral
30.
go back to reference Allan, L., Richarz, U., Simpson, K., & Slappendel, R. (2005). Transdermal fentanyl versus sustained release oral morphine in strong-opioid naive patients with chronic low back pain. Spine, 30(22), 2484–2490.CrossRefPubMed Allan, L., Richarz, U., Simpson, K., & Slappendel, R. (2005). Transdermal fentanyl versus sustained release oral morphine in strong-opioid naive patients with chronic low back pain. Spine, 30(22), 2484–2490.CrossRefPubMed
31.
go back to reference Karlsson, M., & Berggren, A. C. (2009). Efficacy and safety of low-dose transdermal buprenorphine patches (5, 10, and 20 μg/h) versus prolonged-release tramadol tablets (75, 100, 150, and 200 mg) in patients with chronic osteoarthritis pain: A 12-week, randomized, open-label, controlled, parallel-group noninferiority study. Clinical Therapeutics, 31(3), 503–513.CrossRefPubMed Karlsson, M., & Berggren, A. C. (2009). Efficacy and safety of low-dose transdermal buprenorphine patches (5, 10, and 20 μg/h) versus prolonged-release tramadol tablets (75, 100, 150, and 200 mg) in patients with chronic osteoarthritis pain: A 12-week, randomized, open-label, controlled, parallel-group noninferiority study. Clinical Therapeutics, 31(3), 503–513.CrossRefPubMed
32.
go back to reference Khoromi, S., Cui, L., Nackers, L., & Max, M. B. (2007). Morphine, nortriptyline and their combination vs. placebo in patients with chronic lumbar root pain. Pain, 130(1–2), 66–75.CrossRefPubMed Khoromi, S., Cui, L., Nackers, L., & Max, M. B. (2007). Morphine, nortriptyline and their combination vs. placebo in patients with chronic lumbar root pain. Pain, 130(1–2), 66–75.CrossRefPubMed
33.
go back to reference Ma, K., Jiang, W., Zhou, Q., & Du, D. P. (2008). The efficacy of oxycodone for management of acute pain episodes in chronic neck pain patients. International Journal of Clinical Practice, 62(2), 241–247.CrossRefPubMed Ma, K., Jiang, W., Zhou, Q., & Du, D. P. (2008). The efficacy of oxycodone for management of acute pain episodes in chronic neck pain patients. International Journal of Clinical Practice, 62(2), 241–247.CrossRefPubMed
34.
go back to reference Miller, K., Yarlas, A., Wen, W., et al. (2013). Buprenorphine transdermal system and quality of life in opioid-experienced patients with chronic low back pain. Expert Opinion on Pharmacotherapy, 14(3), 269–277.CrossRefPubMed Miller, K., Yarlas, A., Wen, W., et al. (2013). Buprenorphine transdermal system and quality of life in opioid-experienced patients with chronic low back pain. Expert Opinion on Pharmacotherapy, 14(3), 269–277.CrossRefPubMed
35.
go back to reference Nicholson, B., Ross, E., Sasaki, J., & Weil, A. (2006). Randomized trial comparing polymer-coated extended-release morphine sulfate to controlled-release oxycodone HCl in moderate to severe nonmalignant pain. Current Medical Research and Opinion, 22(8), 1503–1514.CrossRefPubMed Nicholson, B., Ross, E., Sasaki, J., & Weil, A. (2006). Randomized trial comparing polymer-coated extended-release morphine sulfate to controlled-release oxycodone HCl in moderate to severe nonmalignant pain. Current Medical Research and Opinion, 22(8), 1503–1514.CrossRefPubMed
36.
go back to reference Pedersen, L., Borchgrevink, P. C., Breivik, H. P., & Fredheim, O. M. (2014). A randomized, double-blind, double-dummy comparison of short- and long-acting dihydrocodeine in chronic non-malignant pain. Pain, 155(5), 881–888.CrossRefPubMed Pedersen, L., Borchgrevink, P. C., Breivik, H. P., & Fredheim, O. M. (2014). A randomized, double-blind, double-dummy comparison of short- and long-acting dihydrocodeine in chronic non-malignant pain. Pain, 155(5), 881–888.CrossRefPubMed
37.
go back to reference Peloso, P. M., Fortin, L., Beaulieu, A., Kamin, M., & Rosenthal, N. R. (2004). Analgesic efficacy and safety of tramadol/acetaminophen combination tablets (Ultracet®) in treatment of chronic low back pain: A multicenter, outpatient, randomized, double blind, placebo controlled trial. The Journal of Rheumatology, 31(12), 2454–2463.PubMed Peloso, P. M., Fortin, L., Beaulieu, A., Kamin, M., & Rosenthal, N. R. (2004). Analgesic efficacy and safety of tramadol/acetaminophen combination tablets (Ultracet®) in treatment of chronic low back pain: A multicenter, outpatient, randomized, double blind, placebo controlled trial. The Journal of Rheumatology, 31(12), 2454–2463.PubMed
38.
go back to reference Rauck, R. L., Bookbinder, S. A., Bunker, T. R., et al. (2007). A randomized, open-label, multicenter trial comparing once-a-day AVINZA® (morphine sulfate extended-release capsules) versus twice-a-day OxyContin® (oxycodone hydrochloride controlled-release tablets) for the treatment of chronic, moderate to severe low back pain: Improved physical functioning in the ACTION trial. Journal of Opioid Management, 3(1), 35–43.PubMed Rauck, R. L., Bookbinder, S. A., Bunker, T. R., et al. (2007). A randomized, open-label, multicenter trial comparing once-a-day AVINZA® (morphine sulfate extended-release capsules) versus twice-a-day OxyContin® (oxycodone hydrochloride controlled-release tablets) for the treatment of chronic, moderate to severe low back pain: Improved physical functioning in the ACTION trial. Journal of Opioid Management, 3(1), 35–43.PubMed
39.
go back to reference Ruoff, G. E., Rosenthal, N., Jordan, D., Karim, R., & Kamin, M. (2003). Tramadol/acetaminophen combination tablets for the treatment of chronic lower back pain: A multicenter, randomized, double-blind, placebo-controlled outpatient study. Clinical Therapeutics, 25(4), 1123–1141.CrossRefPubMed Ruoff, G. E., Rosenthal, N., Jordan, D., Karim, R., & Kamin, M. (2003). Tramadol/acetaminophen combination tablets for the treatment of chronic lower back pain: A multicenter, randomized, double-blind, placebo-controlled outpatient study. Clinical Therapeutics, 25(4), 1123–1141.CrossRefPubMed
40.
go back to reference Ueberall, M. A., Eberhardt, A., & Mueller-Schwefe G. H. H. (2016). Quality of life under oxycodone/naloxone, oxycodone, or morphine treatment for chronic low back pain in routine clinical practice. International Journal of General Medicine, 9, 39–51.CrossRefPubMedPubMedCentral Ueberall, M. A., Eberhardt, A., & Mueller-Schwefe G. H. H. (2016). Quality of life under oxycodone/naloxone, oxycodone, or morphine treatment for chronic low back pain in routine clinical practice. International Journal of General Medicine, 9, 39–51.CrossRefPubMedPubMedCentral
41.
go back to reference Watson, C. P., Moulin, D., Watt-Watson, J., Gordon, A., & Eisenhoffer, J. (2003). Controlled-release oxycodone relieves neuropathic pain: A randomized controlled trial in painful diabetic neuropathy. Pain, 105(1–2), 71–78.CrossRefPubMed Watson, C. P., Moulin, D., Watt-Watson, J., Gordon, A., & Eisenhoffer, J. (2003). Controlled-release oxycodone relieves neuropathic pain: A randomized controlled trial in painful diabetic neuropathy. Pain, 105(1–2), 71–78.CrossRefPubMed
42.
go back to reference Yarlas, A., Miller, K., Wen, W., et al. (2013). A randomized, placebo-controlled study of the impact of the 7-day buprenorphine transdermal system on health-related quality of life in opioid-naïve patients with moderate-to-severe chronic low back pain. Journal of Pain, 14(1), 14–23.CrossRefPubMed Yarlas, A., Miller, K., Wen, W., et al. (2013). A randomized, placebo-controlled study of the impact of the 7-day buprenorphine transdermal system on health-related quality of life in opioid-naïve patients with moderate-to-severe chronic low back pain. Journal of Pain, 14(1), 14–23.CrossRefPubMed
43.
go back to reference Hedges, L. V., & Olkin, I. (1985). Statistical methods for meta-analysis. San Deigo, CA: Academic Press. Hedges, L. V., & Olkin, I. (1985). Statistical methods for meta-analysis. San Deigo, CA: Academic Press.
44.
go back to reference Ahn SB, J. B. (2011). Incorporating quality scores in meta-analysis. Journal of Educational and Behavioral Statistics, 36(5), 555–585.CrossRef Ahn SB, J. B. (2011). Incorporating quality scores in meta-analysis. Journal of Educational and Behavioral Statistics, 36(5), 555–585.CrossRef
46.
go back to reference EpiGear Internation Pty Ltd. (2015). Meta XL (5.0). EpiGear Internation Pty Ltd. (2015). Meta XL (5.0).
47.
go back to reference DerSimonian, R., & Laird, N. (1986). Meta-analysis in clinical trials. Controlled Clinical Trials, 7(3), 177–188.CrossRefPubMed DerSimonian, R., & Laird, N. (1986). Meta-analysis in clinical trials. Controlled Clinical Trials, 7(3), 177–188.CrossRefPubMed
48.
49.
go back to reference Sawilowsky, S. (2009). New effect size rules of thumb. Journal of Modern Applied Statistical Methods, 8(2), 597–599.CrossRef Sawilowsky, S. (2009). New effect size rules of thumb. Journal of Modern Applied Statistical Methods, 8(2), 597–599.CrossRef
50.
go back to reference Kraemer, H. C., & Kupfer, D. J. (2006). Size of treatment effects and their importance to clinical research and practice. Biological Psychiatry, 59(11), 990–996.CrossRefPubMed Kraemer, H. C., & Kupfer, D. J. (2006). Size of treatment effects and their importance to clinical research and practice. Biological Psychiatry, 59(11), 990–996.CrossRefPubMed
51.
go back to reference Cohen, J. (1988). Statistical power analysis for the behavioral sciences. New York: Academic Press. Cohen, J. (1988). Statistical power analysis for the behavioral sciences. New York: Academic Press.
52.
go back to reference Frich, L. M., Sorensen, J., Jacobsen, S., Fohlmann, B., & Hojsted, J. (2012). Outcomes of follow-up visits to chronic nonmalignant pain patients. Pain Management Nursing: Official Journal of The American Society of Pain Management Nurses, 13(4), 223–235.CrossRef Frich, L. M., Sorensen, J., Jacobsen, S., Fohlmann, B., & Hojsted, J. (2012). Outcomes of follow-up visits to chronic nonmalignant pain patients. Pain Management Nursing: Official Journal of The American Society of Pain Management Nurses, 13(4), 223–235.CrossRef
53.
go back to reference Sacks, H. S., Chalmers, T. C., & Smith, H. (1982). Randomized versus historical controls for clinical trials. American Journal of Medicine, 72, 233–240.CrossRefPubMed Sacks, H. S., Chalmers, T. C., & Smith, H. (1982). Randomized versus historical controls for clinical trials. American Journal of Medicine, 72, 233–240.CrossRefPubMed
54.
go back to reference Schulz, K. F., Chalmers, I., Hayes, R., & Altman, D. G. (1995). Empirical evidence of bias: Dimensions of methodological quality associated with estimates of treatment effects in controlled trials. Journal of the American Medical Association, 273, 408–412.CrossRefPubMed Schulz, K. F., Chalmers, I., Hayes, R., & Altman, D. G. (1995). Empirical evidence of bias: Dimensions of methodological quality associated with estimates of treatment effects in controlled trials. Journal of the American Medical Association, 273, 408–412.CrossRefPubMed
Metagegevens
Titel
Health-related quality of life in patients receiving long-term opioid therapy: a systematic review with meta-analysis
Auteurs
J. Douglas Thornton
Rashmi Goyat
Nilanjana Dwibedi
George A. Kelley
Publicatiedatum
02-03-2017
Uitgeverij
Springer International Publishing
Gepubliceerd in
Quality of Life Research / Uitgave 8/2017
Print ISSN: 0962-9343
Elektronisch ISSN: 1573-2649
DOI
https://doi.org/10.1007/s11136-017-1538-0

Andere artikelen Uitgave 8/2017

Quality of Life Research 8/2017 Naar de uitgave