Table 2.

Frailty Status and Recovery From Disability by Severity of Disability

	Cardiovascular Health Study	Health and Retirement Study
	Recovery from Mild ADL Disability* Numbers (%)
Total	437 (58.2)	182 (44.3)
Frailty
Nonfrail	157 (68.9)	73 (53.3)
Prefrail	250 (55.8)	94 (43.1)
Frail	30 (40.0)	15 (26.8)
	Recovery from severe ADL disability † Numbers (%)
Total	102 (37.5)	52 (19.0)
Frailty
Nonfrail	28 (58.9)	17 (30.9)
Prefrail	62 (37.6)	29 (18.3)
Frail	12 (26.1)	6 (10.0)

Notes: Participants who died in the following visit after the onset of incident disability were included and considered not to recover. Participants who were alive but not interviewed in the following visit after the onset of incident disability were excluded. ADL = activities of daily living.

*Mild disability was defined as having difficulty in one ADL.

^†Severe disability was defined as having difficulty in two or more ADL.