Figure 3.
a, Survival curves according to physiologic index of comorbidity, grouped by 0–3, 4–5, 6–7, 8–10. b, Mobility limitation according to physiologic index of comorbidity, grouped by 0–3, 4–5, 6–7, 8–10. c, Incident activities of daily living (ADL) difficulty according to physiologic index of comorbidity, grouped by 0–3, 4–5, 6–7, 8–10.