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Demographic characteristics
| Black cases (n=37) | Black controls (n=37) | White cases (n=19) | White controls (n=19) | |
|---|---|---|---|---|
| Mean age in years (SD) | 73 (11) | 73 (11) | 77 (11) | 76 (11) |
| Female sex, n (%) | 16 (43) | 16 (43) | 10 (53) | 10 (53) |
| Follow-up time in years (SD) | 8.0 (5.5) | 7.6 (6.0) | 5.9 (5.2) | 7.4 (5.9) |
Notes: Cases, patients who have gone blind from primary open-angle glaucoma; controls, patients with primary open-angle glaucoma who are not blind.
