Table 3 .

Discriminant ability for prediction of death by 1 year for frailty index in HAALSI

	Main analysis* (n = 3,910; 62 deaths)	Allowing missing variables (n = 5,001; 133 deaths)
	C-statistic (95% CI)	C-statistic (95% CI)
Age and sex only	0.728 (0.666–0.789)	0.727 (0.684–0.770)
Frailty index only	0.684 (0.617–0.751)	0.763 (0.718–0.807)
Frailty index, age and sex	0.771 (0.712–0.830)	0.808 (0.770–0.846)

^*Excluding those with missing C-reactive protein or with fewer than 30 variables