Table 4.

Cross-tabulation of the total number of individuals in each sub-group defined according to the same-risk 3-level categorization of the Deficit Index and Phenotypic Frailty measure (see Table 3) along with the number of individuals dying and surviving within 4-year follow-up period.

Phenotypic Frailty categories	Factor	Deficit Index categories
		Robust	Pre-frail	Frail
	Sub-group	1	2	3
Robust	Alive	838	961	117
	Dead	21	53	18
	Total	859	1014	135
	Sub-group	4	5	6
Pre-frail	Alive	427	1178	506
	Dead	37	125	79
	Total	464	1303	585
	Sub-group	7	8	9
Frail	Alive	8	107	158
	Dead	0	27	61
	Total	8	134	219