Table 3.

Receiver operating characteristics of different CGA abnormal definitions for the prediction of increased length of hospital stay (≥7 days)

	Sensitivity (true positive rate)	Specificity (true negative rate)	1-Specificity (false positive rate)	Youden’s J (true positive - false positive rate)
Impairment of ADL plus another domain	0.493	0.730	0.270	0.223
Alternative definition A: Impairment of ADL plus cognition impairment or signs of depression	0.415	0.790	0.210	0.205
Alternative definition B: Impairment of ADL plus mobility impairment	0.364	0.818	0.182	0.182

CGA comprehensive geriatric assessment