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Table 1 Characteristics of included and excluded tuberculosis new cases aged 15 or over notified to the Brazilian National Reporting System, 2007–2012

From: Second month sputum smear as a predictor of tuberculosis treatment outcomes in Brazil

Variables Included patientsa
n = 95,189 n (%)
Excluded patientsb
n = 390,101 n (%)
Smear conversion on 2nd month
 Yes 79,838 (83.9) 38,266 (9.8)
 No 15,351 (16.1) 8260 (2.1)
 Missing* 0 343,575 (88.1)
Sex
 Male 63,931 (67.2) 259,751 (66.6)
 Female 31,255 (32.8) 130,318 (33.4)
 Missing* 3 (0.0) 32 (0.0)
Age range (years)
 15–24 17,793 (18.7) 61,588 (15.8)
 25–34 22,666 (23.8) 93,264 (23.9)
 35–44 19,151 (20.1) 78,035 (20.0)
 45–54 17,099 (18.0) 66,072 (16.9)
 55–64 10,403 (10.9) 39,790 (10.2)
 ≥ 65 8032 (8.4) 34,618 (8.9)
 Missing* 45 (0.0) 16,734 (4.3)
Race/colour
 White 30,903 (32.5) 130,071 (33.3)
 Black 11,806 (12.4) 51,442 (13.2)
 Asian 948 (1.0) 3651 (0.9)
 Mixed race 40,394 (42.4) 152,319 (39.0)
 Indigenous 1294 (1.4) 4046 (1.0)
 Missing* 9844 (10.3) 48,572 (12.5)
Schooling
 Illiterate 5328 (5.6) 17,904 (4.6)
 < 9 years 45,620 (47.9) 168,832 (43.3)
 ≥ 9 years 9941 (10.4) 43,671 (11.2)
 Missing* 34,300 (36.0) 159,694 (40.9)
  1. * Includes true missing data and SSM not performed
  2. aIncludes the following outcomes: cure, treatment completed, failure, relapse in this episode, loss to follow up, death from TB and other causes
  3. bIncludes the following outcomes: missing outcome, transferred out, change of diagnosis and missing smear conversion on 2nd month