RTNGenotype PTB patients (n=192) n% Controls (n=245) n% P OR 95% CI
CC 98 (51.04) 106 (43.27) 0.13 1.37 0.94-2.00
CG 77 (40.10) 118 (48.16) 0.11a 0.72 0.49-1.06
GG 17 (8.86) 21 (8.57) 0.95 1.04 0.53-2.02
Table 3: Comparison of genotype frequencies of RETN rs1862513 SNP in patients with PTB and in healthy controls. aThe study had >90 % power for detecting an odds ratio (OR) ≥ 2 for the CC and CG genotypes, and 60 % for the GG genotype.