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. Author manuscript; available in PMC: 2011 Apr 14.
Published in final edited form as: Ophthalmology. 2010 Jan 19;117(3):484–488. doi: 10.1016/j.ophtha.2009.08.022

Table 1.

Baseline measures for 23 participants who developed retinal vein occlusion and 1,613 control participants.*

RVO Status P-Value
Control RVO
Baseline Age N 1613 23 <0.0001
Mean 55.3 65.1
SD 9.5 8.5
Gender=Female N 1613 23 0.083
Percent 57.2 39.1
Race=African American? N 1613 23 0.72
Percent 25.0 21.7
Baseline Spherical Equivalent N 1613 23 0.067
Mean −0.6 0.3
SD 2.4 1.5
Baseline ETDRS Visual Acuity (letters correct) N 1023 10 0.66
Mean 55.5 54.5
SD 7.2 3.7
Baseline Intraocular Pressure (mmHg) N 1613 23 0.94
Mean 24.9 24.9
SD 3.0 2.5
Baseline Horizontal Cup-to-Disc Ratio N 1613 23 0.016
Mean 0.36 0.46
SD 0.21 0.19
Baseline Vertical Cup-to-Disc ratio N 1613 23 0.086
Mean 0.39 0.46
SD 0.20 0.23
Baseline Mean Deviation dB N 1613 23 0.79
Mean 0.2 0.2
SD 1.1 0.9
Central Corneal Thickness (μM) N 1424 23 0.41
Mean 572.5 565.9
SD 38.5 38.7
*

Eye-specific measures are reported for a randomly selected eye of controls and for the first affected eye of participants who had more than one RVO. P-values are for t-tests and chi-square tests and are not adjusted for correlation with other measures. RVO = retinal vein occlusion; ETDRS = Early Treatment Diabetic Retinopathy Study; SD = Standard deviation