Adiponectin and Omentin Levels as Predictive Biomarkers of Preterm Birth in Patients with Gestational Diabetes Mellitus

Table 4

Correlation between omentin and adiponectin, maternal age, gravidity, gestational age at delivery, baby’s birthweight, and BMI.

	GDM		GDM and threatened preterm labor		GDM and preterm birth		Uncomplicated pregnancy
	Omentin		Omentin		Omentin		Omentin
	R	p	R	p	R	P	R	p
Adiponectin	0.801	p<0.001	0.824	p<0.001	0.705	p<0.001	0.764	p<0.001
Maternal age (years)	-0.358	p<0.05	-0.029	NS	-0.336	NS	-0.187	NS
Gravidity	-0.290	p<0.05	-0,091	NS	-0.016	NS	-0.091	NS
Gestational age at delivery (weeks)	-0.267	p<0.05	-0.111	NS	-0.150	NS	-0.075	NS
Baby birthweight (g)	0.001	NS	-0.061	NS	-0.152	NS	-0.048	NS
Pre-pregnancy BMI (kg/m^2)	-0.743	p<0.001	-0.809	p<0.001	-0.800	p<0.001	-0.604	p<0.01
BMI at sampling (kg/m^2)	-0.712	p<0.001	-0.553	p<0.01	-0.760	p<0.001	-0.509	p<0.01
BMI at delivery (kg/m^2)	-0.750	p<0.001	-0.557	p<0.01	-0.756	p<0.001	-0.430	p<0.01
Gestational age at sampling	-0.067	NS	-0.013	NS	-0.310	NS	-0.048	NS
Estimated fetal weight at sampling	0.001	NS	-0.061	NS	-0.200	NS	-0.030	NS

GDM: gestational diabetes mellitus.
BMI: body mass index.
R: Spearman's correlation coefficient.
p: statistical significance.
NS: statistically not significant.