Table 1.
Baseline characteristics of mothers and infants according to the intervention
| Umbilical CC group |
||||
|---|---|---|---|---|
| early CC (≤60 s, n = 170)a | delayed CC (≥180 s, n = 180)a | |||
| mean ± SD | participants, n | mean ± SD | participants, n | |
| Mother | ||||
| Age, years | 24.6±4.5 | 170 | 23.9±3.8 | 180 |
| Parity (including study child) | 1.7±0.9 | 170 | 1.7±0.9 | 180 |
| Antenatal checkupsc | 4 (0–8) | 156 | 4 (0–8) | 169 |
| Infant | ||||
| Gestational age, weeksb | 39.0±1.2 | 170 | 39.3±1.1 | 180 |
| Birth weight, g | 3,056±445 | 170 | 3,027±414 | 180 |
| Apgar score, 1 minc | 6 (1–7) | 170 | 6 (1–7) | 178 |
| Apgar score, 5 minc | 8 (2–9) | 170 | 8 (2–9) | 178 |
| Time to CC, s | 35.4±20.0 | 170 | 157.9±72.1 | 180 |
CC, cord clamping; SD, standard deviation.
a
Protocol violation: 7 (4.1%) in the early group and 42 (23.3%) in the delayed group.
b
Difference was 0.3 weeks (p = 0.006). p value by Student's t test.
c
Results presented as median (minimum-maximum).