Table 2. Survival analysis across studied factors among neonates with neonatal pneumothorax.
| Variables | Died, n= 25 |
Survived, n= 61 | OR [95% CI] |
|---|---|---|---|
| Gender | |||
| Male | 10 (22.2) | 35 (77.8) | 0.5 [0.2–1.3] |
| Female | 15 (36.6) | 26 (63.4) | |
| Birth weight, g | |||
| < 2 500 | 22 (45.8) | 26 (54.2) | 9.9 [2.7–36.5]* |
| ≥ 2 500 | 3 (7.9) | 35 (92.1) | |
| Gestation age, weeks | |||
| Preterm | 19 (44.2) | 24 (55.8) | 4.9 [1.7–14.0]* |
| Term | 6 (14.0) | 37 (86.0) | |
| One minute Apgar score | |||
| < 7 | 22 (51.2) | 21 (48.8) | 14.0 [3.7–52.1]* |
| ≥ 7 | 3 (7.0) | 40 (93.0) | |
| Five minute Apgar score | |||
| < 7 | 11 (64.7) | 6 (35.3) | 7.2 [2.3–22.8]* |
| ≥ 7 | 14 (20.3) | 55 (79.7) | |
| Maternal age, years | |||
| ≤ 30 | 12 (28.6) | 30 (71.4) | 0.95 [0.4–2.4] |
| > 30 | 13 (29.5) | 31 (70.5) | |
| Pneumothorax type | |||
| Spontaneous | 0 (0.0) | 20 (100.0) | 0.04 [0.0-0.4]* |
| Secondary | 25 (37.9) | 41 (62.1) | |
| PROM | 22 (28.6) | 55 (71.4) | 1.25 [5.0–0.3] |
| MAS | 0 (0.0) | 6 (100.0) | 5.5 [0.5–57.1] |
| PDA | 3 (23.1) | 10 (76.9) | 1.4 [0.4–5.7) |
| NEC | 0 (0.0) | 2 (100.0) | 1.7 [0.1–19.9] |
| IVH | 8 (42.1) | 11 (57.9) | 10.0 [0.7–6.3] |
| ROP | 1 (11.1) | 8 (88.9) | 3.6 [0.4–30.6] |
| Pulmonary hemorrhage | 5 (71.4) | 2 (28.6) | 5.0 [1.3–50.0]* |
| Steriod use | 15 (50.0) | 15 (50.0) | 4.3 [1.6–11.6]* |
*Significant p-value. OR: odda ratio; CI: confidence interval; PROM: premature rupture of membrane; MAS: meconium aspiration syndrome; PDA: patent ductus arteriosus; NEC: necrotising enterocolitis; IVH: intraventricular hemorrhage; ROP: retinopathy of prematurity.