Table 2.

Frequency distribution of SYMD3 VNTR genotype and allele.

Genotype	Case group n (%)	Control group n (%)	P	OR value (95%CI)
2	42 (13.5%)	90 (25.9%)		1 (reference)
3	270 (86.5%)	258 (74.1%)	<0.001	2.243 (1.497–3.359)
2/2+2/3	33 (21.4%)	56 (32.2%)		1 (reference)
3/3	123 (78.6%)	118 (67.8%)	0.024	1.769 (1.074–2.913)

P value was detected by chi-square test; OR value – odd ratio; CI – confidence interval.