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)