Introduction
Methods
Search strategy
Eligibility criteria (and study selection)
Data extraction
Assessment of study quality and risk of bias
Statistical analysis
Results
Frailty parameter | Chronic lung disease | eGFR 30 ml/min | BMI <20 kg/m2 | Hypoalbuminaemia | Frailty | Anaemia | Gait speed | ADL independence |
---|---|---|---|---|---|---|---|---|
Number of studies | 27 | 8 | 7 | 5 | 9 | 5 | 3 | 2 |
Cumulative number of patients | 36,484 | 9993 | 9251 | 6347 | 5876 | 3746 | 1501 | 478 |
Number of patients (median, IQR) | 476 (350, 1218) | 802 (508, 1181) | 1215 (529, 1756) | 1215 (150, 1215) | 498 (339, 734) | 549 (182, 1201) | 148 (125, 702) | 239 (194, 285) |
Age (years), mean (SD) | 82.1 (1.6) | 81.8 (1.3) | 83.2 (1.2) | 83.6 (1.6) | 82.2 (1.2) | 80.2 (3.0) | 81.5 (0.7) | 82.8 (1.1) |
Male gender (%), mean (SD) | 47.8 (9.4) | 49.3 (6.4) | 44.9 (15.0) | 35.1 (12.1) | 48.0 (6.6) | 51.4 (2.4) | 41.8 (15.6) | 40.6 (4.0) |
EuroSCORE I (%), mean (SD) | 20.3 (3.21) | 20.32 (2.24) | 21.02 (2.94) | 17.53 (3.36) | 16.90 (3.58) | 15.30 (3.19) | 15.37 (1.95) | 16.85 (3.32) |
EuroSCORE II (%), mean (SD) | 7.63 (1.56) | 7.91 (1.71) | 7.30 (NA) | 5.16 (0.79) | 7.97 (3.35) | 4.00 (NA) | 5.10 (NA) | NaN (NA) |
STS (%), mean (SD) | 8.78 (2.88) | 10.01 (3.57) | 8.21 (1.40) | 6.80 (1.31) | 8.24 (1.79) | 5.80 (0.28) | 8.70 (2.98) | 6.10 (0.14) |