Table 1 Demographic and clinical characteristics of the study population at 15 minute after birth

Gestational age (weeks) – mean (SD)

38.7 ± 0.7

Birth weight (g) – mean (SD)

3260 ± 472

Female sex – n (%)

57 (43.2)

Apgar score at 5 minutes –median (IQR)

10 (10–10)

Apgar score at 10 minutes –median (IQR)

10 (10–10)

Umbilical artery pH –mean (SD)

7.31 ± 0.04

Umbilical artery CO₂(mmHg) – mean (SD)

54.2 ± 6.8

Umbilical artery lactate (mmol/L) – mean (SD)

1.8 ± 0.7

Body temperature (°C) – mean (SD)

37.2 ± 0.34

Heart rate (beat per minute) – mean (SD)

156 ± 18

SpO₂ (%) – mean (SD)

96 ± 2.9