Table 3.

Utilization and mortality by care group

Care group	1	2	3	4
Hospital discharges among seniors, %a	1	2	6	12
Thirty-day, all-cause readmissions among seniors with hospitalizations, %a	7	8	10	17
Annualized total costs of care, % of costs in Care Group 1	NA	220	440	840
Mortality,%
6 months	0.4	0.5	2.6	15.2
12 months	0.6	1.2	5.5	28.0

^aDuring the quarter after segmentation.

NA = not applicable.