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Table 4 Diagnostic accuracy of screening tools to expedite assessment of fall-risk in people receiving haemodialysis

From: Screening tools to expedite assessment of frailty in people receiving haemodialysis: a diagnostic accuracy study

Screening tools AUC (95% CI) P-value Gini-I K-S Cut-off Prevalence, n (%) SENS SPEC PPV NPV LR+ LR-
Handgrip (Kg) 0.67 (0.54–0.79) 0.009 0.33 0.34 ≤ 28.5 46 (60.5) 55% 79% 0.67 0.69 2.58 0.57
Gait speed (m/s) 0.65 (0.52–0.78) 0.021 0.31 0.32 ≤ 0.75 27 (36) 79% 53% 0.56 0.77 1.68 0.40
TUG (s) 0.66 (0.53–0.79) 0.015 0.32 0.30 ≥ 10.7 31 (41.9) 58% 71% 0.60 0.70 2.03 0.59
STS-5 (s) 0.57 (0.43–0.71) 0.348 0.14 0.25 ≥ 20.3 18 (25.4) 39% 86% 0.65 0.68 2.75 0.71
SF-36 PF (score) 0.69 (0.57–0.81) 0.002 0.38 0.33 ≤ 27.5 25 (33.8) 81% 52% 0.56 0.79 1.67 0.37
SF-36 PCS (score) 0.66 (0.54–0.79) 0.011 0.33 0.31 ≤ 32.9 30 (41.1) 73% 58% 0.57 0.74 1.75 0.46
IPAQ (METs/min/week) 0.54 (0.41–0.67) 0.528 0.08 0.14 ≤ 1243 61 (80.2) 26% 88% 0.63 0.60 2.17 0.84
FES (score) 0.80 (0.69–0.90) < 0.001 0.59 0.53 ≥ 18 40 (52.6) 82% 71% 0.69 0.83 2.86 0.25
  1. Abbreviations: AUC Area under the curve, CI Confidence interval, Gini-I Gini Index, K-S KS statistic, SENS Sensitivity, SPEC Specificity, PPV Positive predictive value, NPV Negative predictive value, LR+ Positive likelihood ratio, LR- Negative likelihood ratio, TUG Timed up and go test, STS-5 Five-seconds sit to stand test, SF-36 PF Physical function score of SF-36 questionnaire, SF-36 PCS Physical composite scale of SF-36 questionnaire, IPAQ International physical activity questionnaire (short format), FES Tinetti falls efficacy scale