Table 1. Infant and Pregnancy Characteristics.
| Characteristic | No. (%) | |
|---|---|---|
| New system (n = 124) | T-piece (n = 122) | |
| GA, mean (SD; range), wk:d | 25:6 (1:2; 23:0-27:6) | 25:5 (1:2; 22:4-27:6) |
| GA group, wk | ||
| <24 | 12 (9.7) | 16 (13.1) |
| 24-25 | 49 (39.5) | 45 (36.9) |
| >25 | 63 (50.8) | 61 (50.0) |
| Multiple pregnancy | ||
| Singleton | 98 (79.0) | 99 (81.1) |
| Multiple | 26 (21.0) | 23 (18.9) |
| Female | 61 (49.2) | 66 (54.1) |
| Infant weight, mean (SD; range), g | 800 (192; 445-1355) | 800 (188; 411-1420) |
| Antenatal steroids | ||
| Complete course | 100 (80.6) | 100 (82.0) |
| Incomplete course | 22 (17.7) | 21 (17.2) |
| None | 2 (1.6) | 1 (0.8) |
| Caesarean delivery | 87 (70.2) | 77 (63.1) |
| General anesthesia | 14 (16.1) | 6 (7.8) |
| Caesarean delivery for fetal concern | 55 (63.2) | 52 (67.5) |
| Mother in active labor | 76 (61.3) | 80 (65.6) |
| IUGR | 31 (25.0) | 22 (18.0) |
| Tocolytic therapy | 65 (52.4) | 67 (54.9) |
| Mother received antibiotics | 94 (75.8) | 87 (71.3) |
| Clinical chorioamnionitis | 31 (25.0) | 34 (27.9) |
| Preeclampsia or eclampsia | 28 (22.6) | 20 (16.4) |
| PROM | 40 (32.3) | 40 (32.8) |
| Ablation | 15 (12.1) | 17 (13.9) |
Abbreviations: GA, gestational age; IUGR, intrauterine growth retardation; PROM, premature rupture of membranes.