Table 1.
Patients’ demographic and baseline characteristics
| Characteristics | SIB (n = 40) |
TPR (n = 40) |
P |
|---|---|---|---|
| Mothers | |||
| Cesarean section | 35 (87%) | 33 (82%) | 0.75 |
| Pregnancy induced hypertension | 10 (25%) | 9 (22%) | >0.99 |
| Gestational diabetes mellitus | 6 (15%) | 0 | 0.03 |
| Antenatal steroid exposure* | 37 (93%) | 33 (83%) | 0.31 |
| Neonates | |||
| Gestation, weeks | 31.57 (2.68) | 31.13 (2.4) | 0.43 |
| Gestation <28 wk | 5 (12.5%) | 5 (12.5%) | 0.63 |
| Birth weight, grams | 1605 (589) | 1498 (542) | 0.40 |
| Male sex | 27 (67.5%) | 22 (55%) | 0.36 |
| Outborn | 21 (52%) | 23 (57%) | 0.82 |
| Resuscitated at birth† | 7 (17%) | 7 (17%) | >0.99 |
| APGAR at 5 min | 8 (7–8) | 8 (7–8) | 0.1 |
| Hypoglycemia‡ | 8 (20%) | 4 (10%) | 0.35 |
| Duration of intervention (seconds)§ | 170 (150, 200) | 160 (148, 185) | 0.57 |
| Time to surfactant (minutes)§ | 50 (15, 120) | 60 (22, 160) | 0.48 |
| Ventilated till primary outcome | 10 (25%) | 6 (15%) | 0.40 |
| Minutes of ventilation (till primary outcome)§ | 112 (85, 180) | 135 (92, 188) | 0.89 |
| Baseline FiO2 | 40 (38, 45) | 40 (35, 42) | 0.17 |
| Baseline PEEP | 6 (5, 6) | 6 (5, 7) | 0.54 |
| Baseline pH | 7.27 (0.07) | 7.28 (0.07) | 0.42 |
| Baseline PaCO2 (mmHg) | 46.5 (9.8) | 45.3 (9.4) | 0.59 |
| Baseline PaO2 (mmHg)§ | 80.2 (61.7, 152.1) | 91.4 (70.4, 203.1) | 0.22 |
Data are presented as mean (SD) or n (%), unless indicated otherwise
PEEP Positive end expiratory pressure; RR Risk ratio; SIB Self-inflating bag; TPR T-piece resuscitator
*Received at least 1 dose of antenatal steroids 6 h prior to delivery
† Required more than 2 min of positive pressure ventilation in the delivery room
‡Blood sugar value less than 40 mg/dl
Variables with § are expressed as median (25th centile, 75th centile)