Table 4.

Cross-tabulation for imputation of missing mortality status, by frailty class and gender.

	Females						Males
Frailty class	N (class)	N (mortality available)	N (died)	Unadj. mortality rate (%)	N (mortality missing)	N missing expected as dead	N (class)	N (mortality available)	N (died)	Unadj. mortality rate (%)	N (mortality missing)	N missing expected as dead
Non-frail	10,420	7,179	51	0.7	3,241	23	10,517	7,231	142	2.0	3,286	66
Pre-frail	4,025	2,621	67	2.6	1,404	37	1,871	1,162	102	8.8	709	62
Frail	1,133	682	63	9.2	451	41	395	230	52	22.6	165	37