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Table 4 Change in frailty state between 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

  Follow up frailty state at Wave 4
Baseline state at Wave 2nRobustPrefrailFrailDeadDropped out
Robust2226937 (42)519 (23)51 (2)79 (4)640 (29)
Prefrail1907335 (18)546 (29)189 (10)178 (9)659 (35)
Frail51710 (2)43 (8)84 (16)133 (26)247 (48)
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