Table 3.

General comparison of different genotypes

Genotype	N	Sex (M/F)	Age (Year)	BMI (Kg/m2)
OPRM1 gene
AA	144	104/40	41.1±12.1	18.4±2.8
AG	114	85/29	40.8±12.0	18.2±2.4
GG	42	29/13	41.6±12.4	18.3±2.4
P value		0.122	0.887	0.433
COMT gene
VV	138	106/32	40.9±11.9	18.1±2.7
VM	115	85/30	41.7±12.1	18.4±2.2
MM	47	32/15	41.4±12.2	18.2±2.1
P value		0.683	0.342	0.338