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Table 1 Characteristics of the TB patients who smoke and are registered in Selangor (N = 4795)

From: Characteristics and determinants of loss to follow-up among tuberculosis (TB) patients who smoke in an industrial state of Malaysia: a registry-based study of the years 2013-2017

Variables N = 4795 %
Sociodemographic profile   
Age < 32 1386 28.9
32-41 1184 24.7
42-53 1204 25.1
> 53 1021 21.3
Sex Male 4588 95.7
Female 207 4.3
Nationality Malaysian 4287 89.4
Non-Malaysian 508 10.6
Locality Urban 3982 83.0
Rural 813 17.0
Ethnicity Malay 2759 57.5
Chinese 745 15.5
Indian 601 12.5
Others 182 3.8
Non-Malaysian 508 10.6
Education level Higher education 787 16.4
Secondary school 3103 64.7
Primary school 398 8.3
No education 507 10.6
Income level ≤RM2160 4186 87.3
>RM2160 609 12.7
Employment status Employed 3040 63.4
Un-employed 1755 36.6
Disease profile    
TB anatomical location Pulmonary TB 4260 88.8
Extra-Pulmonary TB 535 11.2
TB case category New case 4409 91.9
Recurrent case 386 8.1
TB case detection Active 168 3.5
Passive 4627 96.5
BCG scar Yes 4193 67.4
No 602 12.6
X-ray status (N = 4728) No Lesion 412 8.6
Minimal lesion 2824 58.9
Moderate lesion 1387 28.9
Severe lesion 105 2.2
Sputum status (N = 4718) Negative 1449 30.2
Positive 3269 68.2
Comorbidity    
HIV status (N = 4405) Yes 330 6.9
No 4075 85.0
DM status Yes 971 20.3
No 3824 79.7
DOT for TB treatment
DOT during the intensive phase Yes 4478 93.4
No 317 6.6
DOT during the continuation phase Yes 3835 80.0
No 960 20.0
Treatment outcome (all outcome, N = 5757)
Cured   2543 44.2
Completed TB treatment   1439 25.0
Died   582 10.1
Loss to follow-up   813 14.1
Failed treatment   19 0.3
Outcome not evaluated   360 6.3