Table 4.

Kaplan–Meier analysis of ten year survival after first diabetic foot ulceration according to age at diagnosis

Age group (years)	Time point (years)	No. at risk	Proportion alive	Standard error	Lower 95% CI	Upper 95% CI
< 65	10	167	0.698	0.025	0.652	0.748
65–74	10	117	0.458	0.026	0.411	0.511
75–81	10	38	0.236	0.027	0.188	0.296
➢ 81	10	8	0.051	0.016	0.028	0.095