Table 3 Risk factors associated with nosocomial infection on multivariate analysis, for infants with birth weight less than 1500 g and 1500 g or more
Birth weight | Less than 1500 g Odds Ratio (95% confidence intervals) | 1500 g or more Odds Ratios (95% confidence intervals) |
|---|---|---|
Gestation ≤24 weeks | 2.7 (1.4 – 5.3) | 4.0 (0.5 – 32.7) |
Gestation 25–28 weeks | 2.2 (1.2 – 4.1) | 6.1 (1.6 – 23.1) |
Gestation 29–32 weeks | 1.1 (0.6 – 2.0) | 1.9 (1.3 – 2.6) |
SNAP II ≥10 | 1.2 (1.0 – 1.6) | 1.0 (0.8 – 1.3) |
Peripheral intravenous line | 0.9 (0.7 – 1.1) | 1.9 (1.1 – 3.2) |
Central venous Line | 0.9 (0.8 – 1.2) | 1.6 (1.2 -2.1) |
Assisted ventilation | 1.5 (1.1 – 2.0) | 2.9 (1.9 – 4.6) |
Parenteral nutrition | 3.9 (3.0 – 5.2) | 5.1 (3.8 – 6.9) |
Outborn status | 2.0 (1.6 – 2.5) | 1.9 (1.4 – 2.6) |
Use of antibiotics | 0.9 (0.4 – 2.3) | 2.9 (1.6 – 5.0) |
Congenital anomalies | 1.2 (0.9 – 1.6) | 2.9 (2.2 – 3.8) |