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Table 6 Interpolated frailty state transition probabilities at one and two years from baseline prefrail state

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

Baseline stateFollow up state1 year (interpolated)2 year (interpolated)4 year (measured)
Assumes all dropouts are due to illnessRobust0.1080.1590.176
Prefrail0.6880.4940.286
Frail0.0870.1130.099
Dead/too ill0.1170.2340.439
Assumes no dropouts are due to illnessRobust0.1090.1590.176
Prefrail0.6880.4940.286
Frail0.0870.1130.099
Dead0.0190.0440.093
Lost to follow up0.0970.1900.346
Assumes 50% of dropouts are due to illnessRobust0.1090.1590.176
Prefrail0.6880.4940.286
Frail0.0880.1130.099
Dead/too ill0.0680.1390.266
Lost to follow up0.0490.0950.173
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