Table 1.

Baseline characteristics of the study population.

Characteristics:		Study group:
Female	No. (%)	117 (47)
Male	No. (%)	134 (53)
Gestational Age (week)	p0.5 (p0.05 - p0.95)	38 4/7 (32 6/7 - 41 2/7)
Fullterm	No. (%)	189 (75)
Preterm	No. (%)	62 (25)
Birth weight (g)	p0.5 (p0.05 - p0.95)	3140 (1655 - 4110)
Birth mode
Spontaneous	No. (%)	98 (39)
Vacuum extraction	No. (%)	34 (14)
Caesarean section	No. (%)	119 (47)
Apgar score at 5 minutes	p0.5 (p0.05 - p0.95)	9 (7 - 9)
Umbilical artery pH	p0.5 (p0.05 - p0.95)	7.3 (7.1 - 7.4)
Age at commencement of recording (min)	p0.5 (p0.05 - p0.95)	60 (15 - 225)

p0.5 = 50th percentile = median, p0.05 = 5th percentile, p0.95 = 95th percentile