Table 5. Correlation coefficients between interleukin-6 levels and certain characteristics of the women.

Characteristics	All women	Controls	GH	PE
Maternal age	0.002	-0.105	0.171	0.061
Gestational age	0.101	0.488*	-0.039	-0.068
BMI before pregnancy	0.266**	0.305*	0.065	-0.007
Current BMI	0.284**	0.466**	0.103	-0.040
BSA	0.223*	0.468*	-0.101	-0.085
Current weight gain	0.169	0.382°	0.069	0.009
Maximum SBP	-	-	0.275	0.045
Maximum DBP	-	-	-0.001	0.255

*p < 0.05, **p < 0.01, **p < 0.001

GH: gestational hypertension; PE: pre-eclampsia; BMI: body mass index; BSA:

body surface area; SBP: systolic blood pressure; DBP: diastolic blood pressure.