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Table 3 Multivariate factors associated with MDR-TB and RR-TB

From: Drug resistant tuberculosis in Saudi Arabia: an analysis of surveillance data 2014–2015

   MDR-TB RR-TB
     95% CI for aOR    95% CI for aOR
Factor   P aOR Lower Upper P aOR Lower Upper
Age   0.032a 0.98 0.962 0.998 0.047a 0.98 0.970 1.000
Female Male 0.015a 2.21 1.170 4.181 0.044a 1.78 1.015 3.120
Occupation: Driver Other 0.232 1.68 0.718 3.932 0.285 1.51 0.708 3.237
Occupation: Housemaid Other 0.116 0.49 0.200 1.193 0.147 0.55 0.246 1.234
Occupation: Housewife Other 0.036a 0.33 0.114 0.932 0.010a 0.28 0.109 0.744
Occupation: Hand Craft Other 0.390 1.93 0.430 8.654 0.241 2.11 0.606 7.342
Occupation: Student Other 0.113 0.44 0.157 1.217 0.037a 0.37 0.144 0.940
Occupation:Unemployed Other 0.395 0.72 0.338 1.534 0.267 0.70 0.370 1.317
Occupation: Prisoner Other 0.771 0.86 0.313 2.369 0.584 0.79 0.330 1.868
Saudi Non-Saudi 0.921 0.97 0.569 1.664 0.583 1.14 0.716 1.813
West Center 0.624 0.88 0.522 1.477 0.371 0.81 0.514 1.282
East Center 0.038a 0.35 0.131 0.942 0.005a 0.28 0.115 0.685
South Center 0.181 0.57 0.254 1.296 0.552 0.82 0.437 1.556
North Center 0.710 0.81 0.274 2.418 0.273 0.55 0.189 1.601
TB Type: Pulmonary EPTB 0.480 1.38 0.565 3.375 0.766 1.11 0.548 2.260
Diabetes No 0.835 0.92 0.411 2.052 0.874 0.95 0.486 1.847
HIV No 0.469 2.34 0.234 23.392 0.416 2.14 0.343 13.353
Lung diseases No 0.549 0.63 0.138 2.868 0.789 0.85 0.271 2.693
Chronic renal failure No 0.102 4.01 0.759 21.231 0.004a 6.61 1.860 23.495
Immunosuppressive No 0.738 1.56 0.116 21.008 0.262 3.18 0.420 24.113
Previous TB treatment No 0.001a 12.08 7.325 19.927 0.001a 9.33 5.920 14.717
(Intercept)   0.003 0.02    0.002 0.04   
  1. aSignificant at α = 0.05; aOR adjusted odds ratio, TB Tuberculosis, HIV human immunodeficiency virus, MDR-TB multi-drug-resistant tuberculosis, RR-TB rifampicin-resistant tuberculosis, EPTB extra-pulmonary tuberculosis. The percentages of correct classification were 95.6% for MDR-TB and 94.1% for RR-TB