Table 5.
Results of Bivariate and Multivariate Logistic Regression Analyses of Factors Independently Associated with Mortality of Preterm Neonates
| Variables | Survived (n=240) | Died (n-111) | COR (95% CI) | AOR (95% CI) | P-value |
|---|---|---|---|---|---|
| Frequency (%) | Frequency (%) | ||||
| Maternal age (years) | |||||
| <18 | 7 (35.0) | 13 (65.0) | 5.1 (1.89–13.59) | 3.2 (0.87–11.96) | 0.079 |
| 18–24 | 106 (70.7) | 44 (29.3) | 1.1 (0.69–1.87) | 1.3 (0.63–2.70) | 0.467 |
| 25–34 | 112 (73.2) | 41 (26.8) | 1 | 1 | - |
| ≥35 | 15 (53.6) | 13 (46.4) | 2.4 (1.04–5.39) | 4.5 (1.35–15.31) | 0.014 |
| Number of ANC visits | |||||
| None | 4 (19.0) | 17 (81.0) | 22.9 (7.18–73.60) | 4.7 (1.05–21.21) | 0.043 |
| 1–2 | 69 (55.7) | 55 (44.3) | 4.3 (2.51–7.41) | 1.9 (0.90–3.86) | 0.094 |
| 3–4 | 146 (84.4) | 27 (15.6) | 1 | 1 | - |
| >4 | 21 (63.6) | 12 (36.4) | 3.1 (1.36–7.01) | 5.3 (1.88–15.21) | 0.002 |
| Place of delivery | |||||
| Out-born | 85 (56.3) | 66 (43.7) | 2.7 (1.68–4.25) | 2.3 (1.20–4.50) | 0.013 |
| In-born | 155 (77.5) | 45 (22.5) | 1 | 1 | - |
| Type of gestation | |||||
| Singleton | 147 (64.2) | 82 (35.8) | 1.8 (1.09–2.94) | 3.7 (1.74–7.89) | 0.001 |
| Multiple | 93 (76.2) | 29 (23.8) | 1 | 1 | - |
| Gestational age (weeks) | |||||
| <28 | 3 (8.6) | 32 (91.4) | 53.3 (14.99–189.70) | 12.0 (2.24–64.27) | 0.004 |
| 28–31 | 63 (61.8) | 39 (38.2) | 3.1 (1.69–5.68) | 1.44 (0.58–3.59) | 0.433 |
| 32–33 | 64 (78.0) | 18 (22.0) | 1.4 (0.70–2.82) | 1.4 (0.57–3.36) | 0.469 |
| 34–36 | 110 (83.3) | 22 (16.7) | 1 | 1 | - |
| Gender | |||||
| Male | 110 (64.0) | 62 (36.0) | 1.5 (0.95–2.35) | 2.0 (1.04–3.74) | 0.038 |
| Female | 130 (72.6) | 49 (27.4) | 1 | 1 | |
| Resuscitation | |||||
| Yes | 45 (48.4) | 48 (51.6) | 3.3 (2.01–5.42) | 3.4 (1.66–6.82) | 0.001 |
| No | 195 (75.6) | 63 (24.4) | 1 | 1 | - |
| RDS | |||||
| Yes | 84 (55.6) | 67 (44.4) | 2.8 (1.78–4.49) | 2.6 (1.22–5.70) | 0.014 |
| No | 156 (78.0) | 44 (22.0) | 1 | 1 | - |
| SGA | |||||
| Yes | 25 (45.5) | 30 (54.5) | 3.2 (1.77–5.74) | 4.7 (2.06–10.74) | <0.001 |
| No | 215 (72.6) | 81 (27.4) | 1 | 1 | - |
| Apnea | |||||
| Yes | 2 (6.3) | 30 (93.7) | 44.1 (10.30–188.53) | 6.2 (1.09–35.38) | 0.039 |
| No | 238 (74.6) | 81 (25.4) | 1 | 1 | - |
| Hypothermia | |||||
| Yes | 142 (60.2) | 94 (39.8) | 3.8 (2.14–6.80) | 2.3 (1.09–4.92) | 0.029 |
| No | 98 (85.2) | 17 (14.8) | 1 | 1 | - |
Abbreviations: AOR, adjusted odds ratio; COR, crude odds ratio; CI, confidence interval; RDS, respiratory distress syndrome; SGA, small for gestational age.