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Table 4 Multivariable Cox regression analysis for risk factors for mortality among drug-resistant tuberculosis patients in Amhara region, from September 1, 2010 to December 31, 2017

From: Risk factors for mortality among drug-resistant tuberculosis patients registered for drug-resistant treatment in Amhara region, Ethiopia: a historical cohort study

Variables CHR [95% CI] AHR [95% CI]
Age in years
  < =24 1.00 1.00
 25–44 0.42 [0.21 0.88] 0.45 [0.14 1.84]
 45 and above 1.18 [1.12 1.43] 1.28 [1.10 1.68]
Tuberculosis related complication
 No 1.00 1.00
 Yes 11.94 [7.14 19.97] 9.31 [5.11 16.97]
Baseline sputum smear
 Positive 1.00 1.00
 Negative 1.56 [0.75 3.27] 1.23 [0.65 2.33]
Level of education
 No education 2.69 [1.34 5.39] 1.29 [0.62 2.69]
 Primary 1.67 [0.75 3.68] 1.66 [0.74 3.70]
 Secondary and above 1.00 1.00
Anaemia
 Non anaemic 1.00 1.00
 Anaemic [1.35 8.41] 3.04 [1.14 9.20]
HIV/AIDS
 Negative 1.00 1.00
 Positive 1.42 [1.21 4.84] 1.34 [1.25 3.35]
Diabetes mellitus
 No 1.00 1.00
 Yes 2.52 [2.14 7.31.] 1.85 [1.24 5.71]
Previous tuberculosis treatment history
 No previous treatment history 1.00 1.00
 Had previous treatment history 1.57 [1.22 1.79] 1.37 [1.16 1.86]
Smoking cigarette
 No 1.00 1.00
 Yes 1.89 [1.04 3.36] 1.39 [1.27 3.18]