| Overall (%a) | Severe neonatal acidosis pH < 7.00 n = 27 | Neonatal acidosis pH > 7.00 n = 28 | p | |||
n | Percentage (%) | n | Percentage (%) | ||||
Male gender | 24 (43.6) | 13 | 48.1 | 11 | 39.3 | 0.51 | |
Umbilical cord round neck | 11 (20) | 6 | 22.2 | 5 | 17.9 | 0.41 | |
Apgar score < 7 at 5 min | 42 (76.4) | 22 | 81.5 | 20 | 71.4 | 0.38 | |
Orotracheal intubation | 45 (81.8) | 23 | 85.2 | 22 | 78.6 | 0.73 | |
Birth weight, grammes (mean, SD) | 3339 (616) | 3377.7 (750.1) | 3303.3 (465.5) | 0.66 | |||
Arterial umbilical cord pH (mean, SD) | 7.02 (0.18) | 6.86 (0.11) | 7.11 (0.11) | <0.001 | |||
Lactates, mmol/L (mean, SD) | 13.5 (6.16) | 15.4 (4.3) | 12.2 (7.00) | 0.05 | |||
Base excess (median, SD) | −13.5 (3.2) | −16.4 (−20.3. −14.9) | −10.0 (−13.8. −8.3) | 0.001 | |||
pCO2 (mean, SD) | 64.7 (29.5) | 86.1 (25.9) | 47.7 (19.6) | <0.001 | |||
Neonatal death | 6 (10.9%) | 6 | 22.2 | 0 | 0 | 0.01 | |