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Patient demographics
| No DM | DM, no DR | NPDR | PDR | |
|---|---|---|---|---|
| Subjects, n | 100 | 100 | 100 | 100 |
| Age*, years (SD) | 58.8 (11.4) | 55.7 (12.1) | 57.6 (11.4) | 52.6 (11.2) |
| Sex†, % male | 46% | 54% | 60% | 50% |
Notes:
Analysis of variance: P=0.001 for age;
Fisher’s exact test: P=0.23 for sex.
Abbreviations: DM, diabetes mellitus; DR, diabetic retinopathy; NPDR, nonproliferative diabetic retinopathy; PDR, proliferative diabetic retinopathy; SD, standard deviation.
