Table 1.

Demographic data

	Hypothermia (n=20) N(%) or Mean±S.D.	Normothermia (n=19) N(%) or Mean±S.D.	p-value
Gender
Male	14 (70%)	10 (53%)	0.27a
Female	6 (30%)	9 (47%)
Gestational Age	39.5 weeks±1.7	38.7±1.8	0.16b
Birth Weight	3493g±578	3450g±670	0.83b
5-minute Apgar	3; 2	4; 2	0.60d
Score c
ALT	83.9±93.4	105.4±113.6	0.53b
AST	276.8±283.4	272.5±367.1	0.97b
Temperature e	34.95°C±1.75	36.80°C±0.49	<0.0001b

^aChi-Square Test

^bTwo-tailed two sample t-test

^cMedian; interquartile range

^dWilcoxon two-sample test

^eTemperature recorded at the time nearest to phenobarbital concentration measurement

S.D. = standard deviation

ALT= alanine aminotransferase

AST= aspartate aminotransferase