Preterm infants’ perinatal data
| Variables | No (%) |
| Infants’ sex | |
| Male | 573 (42.9) |
| Female | 763 (57.1) |
| Birth weight (g) | |
| <1000 | 78 (5.8) |
| 1000–1499 | 365 (27.3) |
| 1500–1999 | 538 (40.3) |
| ≥2000 | 355 (26.6) |
| Gestational age (weeks) | |
| 28–32 | 242 (18.1) |
| 33–34 | 562 (42.1) |
| 35–36 | 532 (39.8) |
| Common morbidities | |
| Neonatal infections | 696 (52.1) |
| Respiratory distress syndrome | 514 (38.5) |
| Hypoglycaemic | 326 (24.4) |
| Hyperbilirubinaemia | 417 (31.2) |
| Perinatal asphyxia | 98 (7.3) |
| Polycythaemia | 58 (4.3) |
| Distribution of study subjects by hospitals | |
| Gondar University Hospital | 373 (27.9) |
| Saint Paul Millennium College Hospital | 358 (26.8) |
| Black Lion Hospital | 307 (23.0) |
| Ghandi Memorial Hospital | 158 (11.8) |
| Jimma University Medical Center | 140 (10.5) |