Table 5. Results of univariate analysis.

Risk factors	Odds ratio	Interval confidence	P
Age	1.017	1.001-1.034	0.0365
Diagnosis	2.307	1.560-3.718	0.0001
Lens status	2.356	1.263-4.509	0.0073
Neovascularization	2.648	1.800-4.155	0.0001
Previous grafts	0.930	0.590-1.383	0.7295
Ocular hypertension	4.317	2.739-7.098	0.0001
Inflammation	5.331	2.827-12.04	0.0001