Table 1.
Characteristics and univariate analysis of study participants in the National Health and Nutrition Examination Survey, 2005–2008
| Characteristic | Non-RVO (n = 5526) | RVO (n = 33) | P value |
|---|---|---|---|
| Age (y) | 59.3 ± 12.4 | 68.2 ± 12.4 | <0.001 |
| Female sex (%) | 50.2 | 39.4 | 0.289 |
| Race/ethnicity (%) | 0.712 | ||
| Non-Hispanic White | 53.9 | 63.6 | |
| Non-Hispanic Black | 20.3 | 15.2 | |
| Mexican American | 15.6 | 9.1 | |
| Other Hispanic | 7.0 | 9.1 | |
| Other | 3.2 | 3.0 | |
| Glaucoma (%) | 2.9 | 12.1 | 0.009 |
| Self-reported diabetes (%) | 15.3 | 21.2 | 0.482 |
| Self-reported stroke (%) | 5.1 | 12.1 | 0.150 |
| Self-reported CVD (%) | 12.3 | 21.2 | 0.195 |
| Systolic blood pressure (mm Hg) | 129.3 ± 20.1 | 134.9 ± 27.6 | 0.130 |
| Diastolic blood pressure (mm Hg) | 71.4 ± 13.5 | 72.9 ± 19.3 | 0.547 |
| Total cholesterol (mg/dL) | 202.3 ± 42.4 | 184.9 ± 40.2 | 0.021 |
| HDL cholesterol (mg/dL) | 53.5 ± 16.3 | 54.0 ± 14.4 | 0.860 |
| Hematocrit (%) | 41.8 ± 4.3 | 41.0 ± 4.9 | 0.249 |
Boldface indicates statistical significance (P < 0.05). Data are means ± standard deviation or percentages. CVD indicates cardiovascular disease; HDL, high-density lipoprotein; RVO, retinal vein occlusion