. Author manuscript; available in PMC: 2014 Sep 9.

Published in final edited form as: J Perinatol. 2008 Mar 27;28(7):475–481. doi: 10.1038/jp.2008.29

Table 5.

Correlation between purine metabolites and MDA in neonates born by oxytocin-augmented vaginal birth

	Hypoxanthine	Xanthine	Uric acid
Xanthine: correlation coefficient	0.833		0.408
P-value^a	<0.001		0.035
N	27		27
MDA: correlation coefficient	−0.465	−0.753
P-value^a	0.039	0.003
N	20	13
Frequency of uterine contractions that occurred more than five times in 10 min: correlation coefficient	0.557
P-value^a	<0.001
N	39
Frequency of uterine contractions that occurred less than 1 min apart: correlation coefficient	0.417
P-value^a	0.008
N	39

Abbreviation: MDA, Malondialdehyde.

Spearman’s ρ.

Bold values are statistically significant.