Table 1.

Genotype frequencies, distributions, and Hardy-Weinberg equilibrium expectations.

Genotype distributions	GG	GA	AA	Hardy Weinberg equilibrium
IL-1β (total)	197 (42%)	225 (48%)	47 (10%)	${\chi }_{(1)}^2$ = 2.22, p > 0.05
Males	54 (41.2%)	61 (46.6%)	16 (12.2%)	${\chi }_{(1)}^2$ = 0.04, p > 0.05
Females	143 (42.3%)	164 (48.5%)	31 (9.2%)	${\chi }_{(1)}^2$ = 2.74, p > 0.05
	GG	GA	AA
TNF-α (total)	324 (69.1%)	133 (28.4%)	12 (2.6%)	${\chi }_{(1)}^2$ = 0.1, p > 0.05
Males	93 (71.0%)	34 (26.0%)	4 (3.1%)	${\chi }_{(1)}^2$ = 0.17, p > 0.05
Females	231 (68.1%)	99 (29.3%)	8 (2.4%)	${\chi }_{(1)}^2$ = 0.47, p > 0.05
	GG	GC	CC
IL-6 (total)	171 (36.3%)	225 (47.8%)	75 (15.9%)	${\chi }_{(1)}^2$ = 0, p > 0.05
Males	39 (38.7%)	67 (46.3%)	24 (15.0%)	${\chi }_{(1)}^2$ = 0.26, p > 0.05
Females	132 (30.0%)	158 (51.5%)	51 (18.5%)	${\chi }_{(1)}^2$ = 0.11, p > 0.05