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Characteristics of the subjects
| Characteristics | Cases (n = 134) | Controls (n = 100) |
|---|---|---|
| Age (years), median (range)‡ | 56.5 (33-85) | 56.5 (35-86) |
| Sex# | ||
| Male | 121 (90.3%) | 78 (78.0%) |
| Female | 13 (9.7%) | 22 (22.0%) |
| Smoking status† | ||
| Never smokers | 26 (19.4%) | 33 (33.0%) |
| Smokers | 108 (80.6%) | 67 (67.0%) |
| VEGF levels (pg/mL) * | 265.7 (155.7-408.0) | 74.5 (40.3-132.0) |
| Median (25-75% quartile) |
‡p = 0.642;# p = 0.009;† p = 0.026; * p < 0.0001
