Original Article
Nursing Staff, Patient, and Environmental Factors Associated with Accurate Pain Assessment

https://doi.org/10.1016/j.jpainsymman.2010.02.024Get rights and content
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Abstract

Context

Although pain ranks highly among reasons for seeking care, routine pain assessment is often inaccurate.

Objectives

This study evaluated factors associated with nurses (e.g., registered) and other nursing support staff (e.g., licensed vocational nurses and health technicians) discordance with patients in estimates of pain in a health system where routine pain screening using a 0–10 numeric rating scale (NRS) is mandated.

Methods

This was a cross-sectional, visit-based, cohort study that included surveys of clinic outpatients (n = 465) and nursing staff (n = 94) who screened for pain as part of routine vital sign measurement during intake. These data were supplemented by chart review. We compared patient pain levels documented by the nursing staff (N-NRS) with those reported by the patient during the study survey (S-NRS).

Results

Pain underestimation (N-NRS < S-NRS) occurred in 25% and overestimation (N-NRS > S-NRS) in 7% of the cases. Nursing staff used informal pain-screening techniques that did not follow established NRS protocols in half of the encounters. Pain underestimation was positively associated with more years of nursing staff work experience and patient anxiety or post-traumatic stress disorder and negatively associated with better patient-reported health status. Pain overestimation was positively associated with nursing staff’s use of the full NRS protocol and with a distracting environment in which patient vitals were taken.

Conclusion

Despite a long-standing mandate, pain-screening implementation falls short, and informal screening is common.

Key Words

Pain measurement
veterans
outpatients

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