Table 6 Characteristics of study subjects with or without nosocomial infection
From: Nosocomial infection in a newborn intensive care unit (NICU), South Korea
| Â | Nosocomial infection | Â | Â | |
|---|---|---|---|---|
Characteristics | Yes (n = 148) | No (n = 341) | OR(95% CI) | p |
Gender | ||||
   Male | 81(54.7) | 169(49.6) | 1 |  |
   Female | 67(45.3) | 172(50.4) | 0.81 (0.55–1.20) | 0.293 |
Birth Weight (g) | ||||
   >2500 | 24(16.2) | 85(24.9) | 1 |  |
   1501–2500 | 63(42.6) | 182(53.4) | 1.23(0.72–2.10) | 0.456 |
   1001–1500 | 40(27.0) | 60(17.6) | 2.36(1.29–4.32) | 0.005 |
   ≤1000 | 21(14.2) | 14(4.1) | 5.31(2.35–11.99) | <0.0001 |
Gestational age (weeks) | ||||
   ≥37 | 19(12.8) | 73(21.4) | 1 |  |
   32–36 | 61(41.2) | 194(56.9) | 1.21(0.68–2.16) | 0.523 |
   28–31 | 50(33.8) | 63(18.5) | 3.05(1.63–5.71) | <0.0001 |
   ≤27 | 18(12.2) | 11(3.2) | 6.29(2.55–15.53) | <0.0001 |
Apgar score at 1 min | ||||
   ≥ 8 | 25(16.9) | 113(33.1) | 1 |  |
   4–7 | 82(55.4) | 177(51.9) | 2.09(1.26–3.47) | 0.004 |
   < 4 | 41(27.7) | 51(15.0) | 3.63(2.00–6.60) | <0.0001 |
Apgar score at 5 min | ||||
   ≥ 8 | 48(32.4) | 191(56.0) | 1 |  |
   4–7 | 87(58.8) | 141(41.3) | 2.46(1.62–3.72) | <0.0001 |
   < 4 | 13(8.8) | 9(2.6) | 5.75(2.32–14.24) | <0.0001 |
Delivery type | ||||
   V/D1) | 57(38.5) | 125(36.7) | 1 |  |
   C/S1) | 91(61.5) | 216(63.3) | 0.92 (0.62–1.38) | 0.696 |
Discharge status | ||||
   Live | 129(93.9) | 315(92.4) | 1 |  |
   AMA2) or death | 19(6.1) | 26(7.6) | 1.78(0.95–3.34) | 0.067 |
Hospital stay(days) | ||||
   Mean ± SD | 44.4 ± 27.6 | 23.1 ± 18.9 |  | <0.0001 |