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| Variable (median values) | No PVWM damage (n = 80) | PVWM damage (n = 24) | p Value |
|---|---|---|---|
| Gestational age (weeks) | 28.0 | 27.0 | 0.20 |
| Body weight (g) | 1050.0 | 1008.0 | 0.68 |
| Optic disc diameter (mm) | 1.05 | 0.95 | 0.002 |
| Optic disc area (mm2) | 1.13 | 1.06 | 0.03 |
| Optic cup area (mm2) | 0.09 | 0.08 | 0.07 |
| Optic rim area (mm2) | 1.03 | 0.95 | 0.02 |
