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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: J AAPOS. 2011 Oct;15(5):427–431. doi: 10.1016/j.jaapos.2011.06.004

Table 2.

Occurrence of adverse events during the first year after initial cataract surgery according to PFV diagnosis and treatment

Number of patients (%) with adverse
eventa 		P valueb 95% CI for
difference
between
percentages
No PFV PFV
Treatment groups
combined		 30/65 (46%) 12/18 (67%) 0.18 −45% to 4%
Treatment = CL 6/31 (19%) 6/11 (55%) 0.049 −68% to −3%
Treatment = IOL 24/34 (71%) 6/7 (86%) 0.65 −45% to 15%

CI, confidence interval; CL, contact lens; IOL, intraocular lens; PFV, persistent fetal vasculature.

a

The patient had one or more adverse events during the first year after the initial cataract surgery.

b

Fisher exact test comparing percentages between patients with and without a cataract diagnosis involving PFV.