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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