Table 2

Kaplan–Meier estimated probability of cataract extraction 1, 2, and 3 years after Descemet stripping endothelial keratoplasty

	Number	1 year	2 years	3 years	p Value
All	60	0.20	0.31	0.40
Age (years)					0.0005
≤50	20	0.00	0.07	0.07
>50	40	0.31	0.43	0.55
>50 and no regraft	34	0.20	0.31	0.46	0.003^*
Sex					0.41
Female	36	0.21	0.30	0.43
Male	24	0.19	0.31	0.31
Graft diameter (mm)					0.90
≤8.5	35	0.23	0.34	0.38
9.0	25	0.16	0.26	0.40

↵* p value for effect of age, excluding eyes with regrafts