Single Nucleotide Polymorphisms in P2X7 Gene Are Associated with Serum Immunoglobulin G Responses to Mycobacterium tuberculosis in Tuberculosis Patients

Table 3

Positive rate of immunoglobulin G responses to Mycobacterium tuberculosis in 1513A>C and -762T>C of P2X7 gene in case group.

Genotype	IgG responses to MTB			OR	95% CI
	Negative	Positive
1513A>C
AA ()	11 (33.3%)	22 (66.7%)	Ref.
AC ()	11 (22.4%)	38 (77.6%)	0.2753	1.727	0.644 to 4.636
CC ()	3 (14.3%)	18 (85.7%)	0.1195	3.000	0.725 to 12.42
-762T>C
TT ()	10 (47.6%)	11 (52.4%)	Ref.
TC ()	8 (17.0%)	39 (83.0%)	0.008	4.432	1.409 to 13.94
CC ()	7 (20.0%)	28 (80.0%)	0.030	3.636	1.104 to 11.97

IgG: immunoglobulin G; MTB: Mycobacterium tuberculosis; OR: odds ratio; CI: confidence interval; Ref.: reference.