Table 3 Final model of multivariate logistic regression for RFP-R, INH-R and MDR-TB associated with sex, age, history of previous treatment, region, smear and year of HRM assay. Total HRM positive n = 2,941

Sex

 Female

92

12.0

reference

124

16.1

reference

78

10.2

reference

 Male

345

15.9

1.47

1.15,1.91

< 0.001

445

20.5

1.37

1.10,1.73

< 0.001

280

12.9

1.42

1.21,1.99

0.012

Age

 > 50

200

12.5

reference

293

18.3

160

10.0

 < 51

237

17.7

1.49

1.20,1.83

< 0.001

276

20.6

1.14

0.95,1.38

0.166

198

14.8

1.56

1.24,196

< 0.021

Smear

 Negative

132

12.4

reference

193

18.1

reference

113

10.6

reference

 Positive

272

16.3

1.27

1.01,1.61

0.045

339

20.4

1.07

0.87,1.32

0.505

216

13

1.17

0.91,1.51

0.235

 Unknown

33

15.6

0.95

0.60,1.47

0.840

37

17.5

0.70

0.45,1.05

0.093

29

13.7

0.97

0.59,1.53

0.884

Previous treatment

 New patients

361

14.0

reference

486

18.9

reference

294

11.4

reference

 Retreatment Cases

76

20.8

1.79

1.33,2.37

< 0.001

83

22.7

1.35

1.03,1.77

0.029

64

17.5

1.79

1.31,2.42

< 0.001

Region

 Rural

233

12.5

reference

319

17.1

reference

191

10.3

reference

 Urban

204

18.9

1.52

1.22,1.89

< 0.001

250

23.2

1.47

1.21,1.78

< 0.001

167

15.5

1.52

1.20,1.93

< 0.001

Year of test

 2019

147

17.0

reference

177

20.4

reference

122

14.1

reference

 2020

122

13.3

0.72

0.55,0.94

0.015

166

18.1

0.82

0.64,1.04

0.098

98

10.7

0.70

0.52,0.93

0.015

 2021

168

14.5

0.79

0.61,1.02

0.068

226

19.5

0.89

0.71,1.12

0.321

138

11.9

0.80

0.61,1.05

0.109