Table 1.
Relationship and associations between ROP (any stage) and risk factors (ROP, n = 44; no ROP, n = 119).
| No ROP mean (±SD) | ROP mean (±SD) | P value | |
|---|---|---|---|
| Birth weight (grams) | 1261.16 (±276.75) | 851.20 (±262.61) | <0.0001 |
| Gestational age (weeks) | 29.59 (±1.80) | 27.7 (±2.08) | <0.0001 |
| Surfactant therapy | 45 (37.8%) | 22 (50%) | 0.209 |
| Mechanical ventilation duration (days) | 4.38 (±12.33) | 27.64 (±27.65) | <0.0001 |
| Oxygen therapy duration (days) | 13.36 (±13.79) | 27.34 (±16.43) | <0.0001 |
| Number of PRBC transfusions | 1.19 (±1.733) | 4.89 (±3.164) | <0.0001 |
| Neonatal Seizures | 9 (7.56%) | 14 (31.8%) | 0.0002 |
| Length of hospitalization (days) | 49.55 (±25.64) | 106.75 (±102.56) | <0.0001 |
ROP, retinopathy of prematurity; PRBC, packed red blood cell.