Table 4 Agreement between physical frailty phenotypes: original assessment versus with self-reported substitutions
Frailty defined by objective measures | Frailty defined by self-reporta measures | Kappa (95% CI) | |||
|---|---|---|---|---|---|
Nonfrail (n = 2905) | Prefrail (n = 2476) | Frail (n = 503) | |||
Overall | Nonfrail (n = 2516) | 2102 (83.6)b, (72.4)c | 414 (16.5), (16.7) | 0 (0.0), (0.0) | Kappa with Linear Weighting 0.56 (0.54–0.58) PABAKd 0.68 (0.66–0.69) |
(N = 5884) | Prefrail (n = 2870) | 795 (27.7), (27.4) | 1834 (63.9), (74.1) | 241 (8.4), (47.9) | |
Frail (n = 498) | 8 (1.6), (0.3) | 228 (45.8), (9.2) | 262 (52.6), (52.1) | ||
Female | Nonfrail (n = 1493) | Prefrail (n = 1534) | Frail (n = 363) | ||
(N = 3390) | Nonfrail (n = 1443) | 1130 (78.3), (75.7) | 313 (21.7), (20.4) | 0 (0.0), (0.0) | Kappa with Linear Weighting 0.57 (0.55–0.59) PABAK 0.67 (0.66–0.69) |
Prefrail (n = 1631) | 358 (21.9), (24.0) | 1097 (67.3), (71.5) | 176 (10.8), (48.5) | ||
Frail (n = 316) | 5 (1.6), (0.3) | 124 (39.2), (8.1) | 187 (59.2), (51.5) | ||
Male | Nonfrail (n = 1412) | Prefrail (n = 942) | Frail (n = 140) | ||
(N = 2494) | Nonfrail (n = 1073) | 972 (90.6), (68.8) | 101 (9.4), (10.7) | 0 (0.0), (0.0) | Kappa with Linear Weighting 0.55 (0.52–0.57) PABAK 0.68 (0.66–0.70) |
Prefrail (n = 1239) | 437 (35.3), (31.0) | 737 (59.5), (78.2) | 65 (5.3), (46.4) | ||
Frail (n = 182) | 3 (1.7), (0.2) | 104 (57.1), (11.0) | 75 (41.2), (53.6) | ||