Table 2.

XPC intron 11C/A genotype frequency and distribution

Genotype	Cases (n = 152)	Controls (n = 142)	Adjusted ORa (95 % CI)	P b value
C/C	39 (25.7 %)	57 (40.1 %)	1.00 (Reference)
C/A	81 (53.3 %)	62 (43.7 %)	1.91 (1.13–3.24)	0.02
A/A	32 (21.1 %)	23 (16.2 %)	2.03 (1.03–3.98)	0.04

^a Adjusted by age

^b Two-sided χ ² test