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Table 1 Bivariate analysis for selected characteristics in patients with Beijing and non-Beijing genotypes of M.tb of North Central India

From: Detection of Beijing strains of MDR M. tuberculosis and their association with drug resistance mutations in katG, rpoB, and embB genes

Parameters

Beijing genotype, n (%)

Non- Beijing genotypes, n (%)

Odds Ratio (OR)

p-value*

95% CI

Sex

 Male (250)

41 (53.95)

211 (69.18)

0.522

0.01

0.312–0.871

 Female (131)

35 (46.05)

94 (30.82)

   

Age group

  < 15 (11)

4 (5.26)

7 (2.3)

2.295

0.1

0.650–8.106

 15–44 (290)

58 (76.32)

233 (76.39)

   

  ≥ 45 (80)

14 (18.42)

65 (21.31)

1.155

0.6

0.606–2.203

HIV Status

 Sero positive (38)

8 (10.53)

30 (9.83)

1.078

0.8

0.473–2.458

 Sero negative (343)

68 (89.47)

275 (90.16)

   

Site of TB

 Pulmonary (368)

73 (96.05)

295 (96.72)

0.824

0.7

0.221–3.073

 Extra-pulmonary (13)

3 (3.95)

10 (3.28)

   

History of TB

 New cases (247)

39 (51.32)

202 (66.23)

0.537

0.01

0.323–0.894

 Previously treated (134)

37 (48.68)

103 (33.77)

  

Drug resistance

 Any drug resistance (194)

50 (65.79)

144 (47.21)

2.15

 

1.272–

 Susceptible to all (R + H+ S + E) (187)

26 (34.21)

161 (52.79)

 

0.004

3.633

 MDR (121)

45 (59.21)

76 (24.92)

0.586

0.032

0.359–0.956

Total Cases (381)

76 (19.95)

305 (80.05)

–

–

–

  1. *A p value of < 0.05 was considered statistically significant