Association between TLR4 and TLR9 Gene Polymorphisms with Development of Pulmonary Tuberculosis in Zahedan, Southeastern Iran

Table 4

TLR9-1486T/C genotype and allele frequencies in patients and controls.

SNP	PTB patients (𝑛 = %)	Controls (𝑛 = %)	𝜒^2	𝑃 value*	OR (95% CI)
TLR9 (T-1486C)
TT	63 (51)	82 (55)
TC	51 (41)	59 (39.6)	0.2	0.4	1.1 (0.7–1.9)
CC	10 (8)	8 (5.4)	1	0.2	1.6 (0.6–4.4)
Total	124	149
T	177 (71.4)	223 (74.8)
C	71 (28.6)	75 (25.2)	0.8	0.2	1.2 (0.8–1.8)

*Compared with healthy controls. A corrected 𝑃 value < 0.05 was considered significant.