Table 2: Distribution of genotypes and alleles frequencies of the IFNG+874T/A and NOS2A-954G/C SNPs in tuberculosis patients and control groups.

Genotype/alleleTuberculosis patients
(%)
Control group
(%)
ORTB latent
infection (TST+)
(%)
OR

A/A 72 (41.8)62 (34.6)0.211.0038 (38.8)0.761.00
A/T 78 (45.3)91 (50.8)0.7448 (49.0)0.86
T/T 22 (12.8)26 (14.6)0.7312 (12.2)0.77
T/T+A/T  versus  A/A 100 (58.1)117 (65.3)0.160.74 (0.47–1.16)60 (61.2)0.610.88 (0.51–1.51)
T/T  versus  A/A+A/T 150 (87.2)153 (85.4)0.630.86 (0.45–1.66)86 (87.8)0.891.05 (0.47–2.38)
Alleles
 A 222 (64.5)215 (60.1)0.221.21 (0.88–1.66)124 (63.3)0.761.06 (0.72–1.55)
 T 122 (35.5)143 (39.9)72 (36.7)
G/G 152 (88.4)160 (89.4)0.771.0084 (85.7)0.781.00
G/C 19 (11.0)18 (10.0)1.1113 (14.3)0.81
C/C 1 (0.6)1 (0.6)1.050NA
C/C   versus  G/C+G/G 171 (99.4)178 (99.4)0.971.04 (0.0–38.36)97 (100)0.45
G/G  versus  C/C+G/C 20 (11.6)19 (10.6)0.760.90 (0.44–1.84)13 (13.3)0.671.18 (0.52–2.63)
Alleles
 G 323 (93.9)338 (94.4)0.760.91183 (93.4)0.801.09
 C 21 (6.1)20 (5.6)(0.46–1.66)13 (6.6)(0.50–2.35)

value considered ; OR, odds ratio
value from TB patients and control group. value from TB patients and control TST-positive subgroup. TST+: tuberculin skin test positive.