TABLE 1

Infant Characteristics

Kamlin (N = 175)Dawson (N = 264)Vento (N = 29)Total (N = 468)
Gestational age, mean (range), wk37.5 (30–42)39 (27–42)29 (25–30)38 (25–42)
Preterm (<32 wk), n (%)7 (4)12 (5)20 (69)39 (8)
Preterm (32–36 wk), n (%)47 (27)65 (25)9 (31)121 (26)
Term (≥37 wk), n (%)121 (69)187 (70)0308 (66)
Birth weight, mean ± SD, g2953 ± 8673092 ± 8101232 ± 9082970 ± 918
Labor commenced, n (%)137 (78)190 (72)29 (100)356 (76)
Narcotic during labor, n (%)16 (9)45 (17)0 (0)61 (13)
General anesthetic, n (%)9 (5)8 (3)0 (0)17 (7)
Vaginal birth, n (%)68 (39)158 (60)20 (70)246 (52)
Apgar score at 1 min, median (IQR)8 (7–9)8 (8–9)6 (5–7)8 (8–9)
Apgar score at 5 min, median (IQR)9 (9–9)9 (9–9)7 (6–8)9 (9–9)
Time from birth to first data, median (IQR), s70 (60–84)60 (54–74)99 (85–130)65 (58–85)