Control Cases Significance OR (95% CI)
N (Frequency) 95%CI N (Frequency) 95%CI
Gene
CC 144(0.750) 0.684-0.806 69(0.388) 0.318-0.461 c2=54.9,
P≤0.001
1(r)
CT 42(0.219) 0.166-0.282 75(0.421) 0.351-0.495 3.7(2.3-6.2)
TT 6(0.031) 0.014-0.066 34(0.191) 0.140-0.255 13.9
(5.3-38.5)
H.W. c2=1.73, P=0.19 c2=2.71, P=0.10  
Allele
C 330(0.859) 0.821-0.891 213(0.598) 0.547-0.668 c2=64.5,
P≤0.001
1(r)
T 54(0.141) 0.109-0.179 143(0.402) 0.352-0.453 4.1(2.8-5.96)
CI=Confidence Interval, r=reference category
H.W. = Hardy-Weinberg equation
Table 3: Gene & allele frequencies in control vs. cases.