Table 1

 Predictor variables affecting maximal stable baseline potential difference

VariableRegression coefficient (95% CI) (SE)Standardised regression coefficient (s)p Value
Mechanical ventilation at time of study−16.5 (−26.3 to −6.8) (4.8)−0.460.002
Gestation (weeks)−2.0 (−3.9 to −0.1) (0.9)−0.320.038
Male sex10.6 (3.5 to 17.6) (3.5)0.380.004
Caesarean delivery5.4 (1.1 to 9.7) (2.1)0.350.015