Prevalence of frailty and its ability to predict in hospital delirium, falls, and 6-month mortality in hospitalized older patients

Table 2 Items completed by patients assessed with the CHS and the SOF frailty index*

	CHS index (N = 220 patients)		SOF index (N = 204 patients)
	Total number	Positive	Total number	Positive
CHS items
Weight loss	220	62
Reduced energy level	220	35
Reduced physical activity	220	69
Slow walking speed	200	187
Reduced grip strength	209	158
SOF items
Weight loss			220	62
Inability to rise 5 times from a chair			203	159
Reduced energy level			220	35

Abbreviations: CHS Cardiovascular Health Study, SOF Study of Osteoporotic Fracture.
*For each frailty index, the number of a specific item can be lower than the total number of patients available for assessment because not all 5 (CHS index) or 3 (SOF index) items need to be present for evaluating the frailty status (see text).