Measures Compared | Percent Agreement | Kappa Coefficient (95%CI) | Sensitivity | Specificity | PPV | NPV |
---|---|---|---|---|---|---|
Objective Slowness vs. Walking Question 1 (Static) | 77.9% | 0.34 (0.16, 0.52) | 31% | 97% | 80% | 78% |
Objective Slowness vs. Walking Question 2 (Static) | 82.4% | 0.54 (0.40, 0.69) | 60% | 92% | 74% | 85% |
Objective Slowness vs. Walking Questions 1 and 2 Combined (Static) | 82.3 | 0.56 (0.38, 0.74) | 65% | 89% | 71% | 86% |
Objective Slowness vs. Walking Question 3 (Dynamic) | 77.5% | 0.47 (0.33, 0.61) | 67% | 82% | 59% | 86% |
Objective Slowness vs. Walking Questions 1–3 Combined | 77.9% | 0.51 (0.38, 0.65) | 81% | 77% | 58% | 91% |
Objective Weakness vs. Grip Question 4 (Static) | 63.2% | 0.16 (-0.00, 0.32) | 29% | 85% | 57% | 65% |
Objective Weakness vs. Grip Question 5 (Static) | 56.0% | 0.13 (-0.01, 0.27) | 61% | 53% | 46% | 67% |
Objective Weakness vs. Grip Questions 4 and 5 Combined (Static) | 55.5% | 0.13 (-0.01, 0.27) | 65% | 49% | 46% | 68% |
Objective Weakness vs. Grip Question 6 (Dynamic) | 63.5% | 0.21 (0.05, 0.36) | 45% | 75% | 54% | 68% |
Objective Weakness vs. Grip Questions 4–6 Combined | 51.9% | 0.10 (-0.04, 0.23) | 72% | 39% | 43% | 68% |