Table 6.

Pearson correlation of nitric oxide with various parameters in women having risk factor for gestational hypertension in control group (n = 113) and study group (n = 121) at 36th week of gestation.

Parameters	Control group		Study group
	At 36th week		At 36th week
	r	P	r	P
SBP	− 0.194	0.040	− 0.187	0.040
DBP	− 0.231	0.014	− 0.188	0.039
MAP	− 0.304	0.001	− 0.276	0.002
RPP	− 0.087	0.359	0.025	0.787
BRS	0.199	0.035	0.255	0.005
TP	0.225	0.017	0.323	<0.001
LF-HF ratio	− 0.208	0.027	− 0.201	0.027
SDNN	0.153	0.106	0.105	0.250
RMSSD	0.353	< 0.001	0.191	0.036
HOMA-IR	− 0.199	0.035	− 0.073	0.423
AIP	− 0.227	0.016	0.037	0.690
MDA	− 0.268	0.004	− 0.222	0.014
hsCRP	− 0.183	0.052	− 0.190	0.036
IL-6	− 0.278	0.003	− 0.319	<0.001
Birth weight	0.013	0.891	0.240	0.008
Duration of labor	− 0.028	0.769	− 0.174	0.054
Labor pain (NLPS)	0.051	0.591	− 0.050	0.584

The P value < 0.05 was considered significant, r correlation coefficient.

SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, RPP rate pressure product, BRS baroreflex sensitivity, TP total power of HRV, LF-HF ratio of LF to HF, SDNN standard deviation of normal to normal (NN) interval, RMSSD square root of the mean of the sum of the squares of the differences between adjacent NN intervals, HOMA-IR homeostatic model assessment-Insulin resistance, AIP atherogenic index of plasma, MDA malondialdehyde, hsCRP high sensitive C-reactive protein, IL-6 interleukin-6, NPLS numeric labor pain scale.