Table 1. Statistical analysis of mutant allele/genotype in our case-control study.

Group (N)	Parameter	C	T	CC	CT	TT	CT+TT
Controls (315)	N (%)	560 (88.9)	70 (11.1)	251 (79.6)	58 (18.4)	6 (1.9)	64 (20.31)
Azoo$ (68)	N (%)	113 (83.1)	23 (16.9)	49 (72.1)	15 (22.1)	4 (5.9)	19 (27.9)
	OR/95% CI		1.63 (0.98–2.72)#		1.33 (0.70–2.53)	3.42 (0.93–12.55)	1.52 (0.84–2.76)
	p-value/Chi-square		0.06/.53		0.39/0.73	0.07/-	0.17/1.91
Astheno (135)	N (%)	229 (84.8)	41 (15.2)	103 (76.3)	23 (17.03)	9 (6.67)	32 (23.7)
	OR/95% CI		1.43 (0.95–2.17)		0.97 (0.57–1.65)	3.66 (1.27–10.53)	1.22 (0.75–1.97)
	p-value/Chi-square		0.09/2.9		0.89/0.02	0.02*/-	0.42/0.65
Normo (141)	N (%)	246 (87.2)	36 (12.8)	110 (78)	26 (18.45)	5 (3.5)	31 (22)
	OR/95% CI		1.17 (0.76–1.80)		1.02 (0.61–1.71)	1.90 (0.57–6.36)	1.11 (0.68–1.79)
	p-value/Chi-square		0.47/0.52		0.92/0.01	0.33/-	0.69/0.16
OAT (65)	N (%)	105 (80.7)	25 (19.3)	41 (63.1)	23 (35.4)	1 (1.5)	24 (37)
	OR/95% CI		1.90 (1.15–3.15)		2.43 (1.35–4.36)	1.02 (0.12–8.70)	2.30 (1.29–4.07)
	p-value/Chi-square		0.01*/6.5		0.002*/9.19	1.00/-	0.00385*/8.35
Uncateg (113)	N (%)	179 (79.2)	47 (20.8)	75 (66.4)	29 (25.7)	9 (7.96)	38 (33.6)
	OR/95% CI		2.10 (1.40–3.15)		1.67 (1.00–2.80)	5.02 (1.73–14.56)	1.99 (1.23–3.20)
	p-value/Chi-square		0.0002*/13.22		0.0485*/3.89	0.003*/-	0.004*/8.12
Total (522)	N (%)	872 (83.5)	172 (16.5)	378 (72.4)	116 (22.2)	28 (5.4)	144(27.6)
	OR/95% CI		1.578 (1.17–2.13)		1.33 (0.93–1.89)	3.10 (1.27–7.60)	1.49 (1.07–2.09)
	p-value/Chi-square		0.0025*/9.14		0.12/2.49	0.0095*/6.73	0.0187*/5.56

^#The calculations for mutant allele have been done with reference to allele ‘C’; for mutant genotypes with reference to ‘CC’ between cases and controls.

^$Azoo-azoospermia; Astheno-asthenozoospermia; Normo-normozoospermia; OAT-oligoasthenoteratozoospermia; Uncateg: uncategorized.

*Indicates statistically significant value.