Table 3 Concordance and validity indexes between patients' baseline functional data obtained from physicians and those obtained from respondents, according to each ADL items.
Kappa coefficient (95% CI) | Sensitivity (%) (95% CI) | Specificity (%) (95% CI) | Positive predictive value (%) (95% CI) | Negative predictive value (%) (95% CI) | |
|---|---|---|---|---|---|
Katz (n = 90) | 0.47 (0.38–0.57) | ||||
Bathing (n = 97) | 0.34 (0.14–0.54) | 69.8 (56.0–83.5) | 64.8 (52.1–77.6) | 61.2 (47.6–74.9) | 72.9 (60.3–85.5) |
Dressing (n = 96) | 0.42 (0.24–0.60) | 87.5 (74.3–100) | 66.7 (55.8–77.6) | 46.7 (32.1–61.2) | 94.1 (87.7–100) |
Toileting (n = 96) | 0.39 (0.20–0.58) | 71.4 (54.7–88.2) | 72.1 (61.4–82.7) | 51.3 (35.6–67.0) | 86.0 (77.0–95.0) |
Transfer from bed to chair (n = 93) | 0.32 (0.12–0.52) | 64.0 (45.2–82.8) | 72.1 (61.4–82.7) | 45.7 (29.2–62.2) | 84.5 (75.2–93.8) |
Continence (n = 94) | 0.28 (0.08–0.48) | 61.5 (48.3–74.8) | 66.7 (52.4–80.9) | 69.6 (56.3–82.9) | 58.3 (44.4–72.3) |
Feeding (n = 95) | 0.29 (0.10–0.48) | 50.0 (15.4–84.7) | 88.5 (81.8–95.2) | 28.6 (4.9–52.2) | 95.1 (90.3–99.8) |
Walking (n = 92) | 0.34 (0.14–0.55) | 64.7 (48.6–80.8) | 70.7 (59.0–82.4) | 56.4 (40.9–72.0) | 77.4 (66.1–88.6) |