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Table 3 Prevalence of Fried frailty scores in wave 2 and wave 4 of ELSA

From: Developing a composite outcome measure for frailty prevention trials – rationale, derivation and sample size comparison with other candidate measures

Fried Frailty scoreWave 2 (N = 4650)Wave 4 (N = 2714)
Mean age (years) (SD)70.8 (7.9)69.3 (6.9)
Male sex (%)2560 (55.1)1230 (45.3)
0 (%)Robust (%) 2226 (47.9) 1282 (47.2)
1 (%)Prefrail (%)1287 (27.7)1907 (41.0)747 (27.5)1108 (40.8)
2 (%)620 (13.3)361 (13.3)
3 (%)Frail (%)349 (7.5)517 (11.1)223 (8.2)324 (11.9)
4 (%)150 (3.2)85 (3.1)
5 (%)18 (0.4)16 (0.6)
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