Table 5.
Comparison of some risk factors between preterm babies with ROP (n = 25) and preterms without evidence of ROP (n = 28).
| Risk factors | With ROP |
Without ROP | χ 2 value | P value |
|---|---|---|---|---|
| Mean gestational age (weeks) | 28.9 | 29.8 | 0.00 | 1.0 |
| Mean birth weight (g) | 1372 | 1446 | 0.01 | 0.94 |
| Use of supplemental oxygen | 24 | 7 | 6.17 | 0.01* |
| Presence of sepsis | 20 | 4 | 7.47 | 0.006* |
| Apnoeic spells | 9 | 4 | 1.25 | 0.26 |
| Phototherapy | 25 | 24 | 0.04 | 0.8 |
| Neonatal jaundice | 25 | 26 | 0.0 | 1.0 |
| Multiple blood transfusion | 18 | 5 | 5.11 | 0.02* |
| Male gender | 19 | 12 | 1.05 | 0.3 |
| Female gender | 6 | 16 | 1.78 | 0.18 |
| Vaginal delivery | 5 | 21 | 4.66 | 0.03* |
| Caesarian section | 20 | 7 | 4.22 | 0.04* |
(*P ≤ 0.05).