Patient characteristics, GA-specific rates of perinatal interventions and place of death of infants born alive following spontaneous labour or induction of labour for maternal reasons or with the objective to increase chances of infant survival (n=238) (infants born alive following late termination of pregnancy (n=76) excluded)
| Total (n=238) | 22 weeks (n=36) | 23 weeks (n=54) | 24 weeks (n=60) | 25 weeks (n=43) | 26 weeks (n=25) | 27 weeks (n=20) | |
| Patient characteristics | |||||||
| Birth weight in grams, median (IQR) | 615 (540–740) | 468 (428–520) | 580 (550–640) | 623 (580–735) | 630 (540–750) | 880 (795–940) | 703 (620–920) |
| Female, n (%) | 103 (43) | 14 (39) | 17 (31) | 31 (52) | 19 (44) | 13 (52) | 9 (45) |
| Multiples, n (%) | 76 (32) | 18 (50) | 14 (26) | 22 (37) | 11 (26) | 5 (20) | 6 (30) |
| Obstetrical interventions | |||||||
| Any prenatal steroids, n (%) | 129 (54) | 0 (0) | 11 (20) | 42 (70) | 38 (88) | 21 (84) | 17 (85) |
| Complete course*, n (%) | 83 (35) | 0 (0) | 1 (2) | 25 (42) | 28 (65) | 15 (60) | 14 (70) |
| Incomplete course†, n (%) | 43 (18) | 0 (0) | 10 (19) | 16 (27) | 9 (21) | 6 (24) | 2 (10) |
| Missing, n (%) | 3 (1) | 0 (0) | 0 (0) | 1 (2) | 1 (2) | 0 (0) | 1 (5) |
| Caesarean delivery, n (%) | 88 (37) | 2 (6) | 2 (4) | 24 (40) | 28 (65) | 16 (64) | 16 (80) |
| DR interventions | |||||||
| Intubation in DR, n (%) | 111 (47) | 0 (0) | 6 (11) | 33 (55) | 38 (88) | 19 (76) | 15 (75) |
| Surfactant administration, n (%) | 101 (43) | 0 (0) | 4 (8) | 32 (53) | 34 (79) | 16 (64) | 15 (75) |
| Epinephrine in DR, n (%) | 6 (3) | 0 (0) | 1 (2) | 0 (0) | 1 (2) | 2 (8) | 2 (10) |
| Place of death | |||||||
| DR deaths after live birth, n (%) | 109 (46) | 36 (100) | 48 (89) | 21 (35) | 2 (5) | 1 (4) | 1 (5) |
| NICU deaths, n (%) | 129 (54) | 0 (0) | 6 (11) | 39 (65) | 41 (95) | 24 (96) | 19 (95) |
*Prenatal steroids >24 hours before delivery.
†Prenatal steroids <24 hours before delivery.
DR, delivery room; GA, gestational age: NICU, neonatal intensive care unit.