Retrospective Analyses of Potential Risk Factors for Posterior Capsule Opacification after Cataract Surgery

Table 1

Patient demographics.

Parameter	Group		χ^2	value
	Non-PCO	PCO
Eye, (patients)	544 (458)	108 (92)
Age (y)	64.77 ± 10.12	65.47 ± 15.32	0.932	0.41
Laterality (OD/OS)	265/279	52/56	0.803	0.47
Period from surgery to the follow-up visit (m)	25.27 ± 7.67	26.04 ± 8.14	0.587	0.65