Table 1 Characteristics of study patients

Demographic characteristics

41.9 ± 17.4

40.3 ± 16.1

43.8 ± 18.7

0.079

Age, yr

Age > 60 years

40 (13.1)

17 (10.2)

25 (18.0)

0.051

Male sex

108 (35.4)

61 (37.7)

47 (33.8)

0.594

White race

230 (75.4)

123 (74.1)

107 (77.0)

0.560

Current smokers

91 (35.4)

56 (41.5)

35 (28.7)

0.032

Alcoholism

89 (29.2)

46 (27.9)

43 (30.9)

0.560

Injection drug use

81 (26.6)

50 (30.3)

31 (22.3)

0.116

Forms of TB

Isolated Pulmonary TB

110 (36.1)

77 (46.4)

33 (23.7)

< 0.0001

Isolated Extra-pulmonary TB

143 (46.9)

53 (31.9)

90 (64.7)

< 0.0001

Pulmonary + extra-pulmonary TB

52 (17.0)

36 (21.7)

16 (11.5)

0.019

Symptoms

Cough

132 (43.3)

89 (53.6)

43 (30.9)

< 0.0001

Night sweats

74 (24.3)

54 (32.5)

20 (14.4)

< 0.0001

Fever

190 (62.3)

111(66.9)

79 (56.8)

0.072

Laboratory results

Smear-negative sputum

93 (56.7)

45 (42.1)

48 (84.2)

< 0.0001

Radiographic patterns

Cavitary disease

33 (10.8)

28 (16.9)

5 (3.6)

< 0.0001

Pleural effusion

58 (19.0)

24 (14.5)

34 (24.5)

0.027

Miliary pattern

37 (12.1)

29 (17.5)

8 (5.8)

0.002

Consolidation

52 (17.0)

31 (18.7)

21 (15.1)

0.409

Normal

42 (13.8)

14 (8.4)

28 (20.1)

0.003

Previous default from TB treatment

24 (7.9)

20 (12.0)

4 (2.9)

0.003

Comorbidities

Presence of any comorbidity

224 (73.4)

130 (78.3)

94 (67.6)

0.035

HIV positive

191 (71.0)

117 (75.5)

74 (64.9)

0.059

Diabetes mellitus

19 (6.2)

3 (1.8)

16 (11.5)

< 0.0001

Chronic renal failure

8 (2.6)

1 (0.6)

7 (5.0)

0.016

Mechanical ventilation

48 (16.3)

28 (17.4)

20 (15.0)

0.587

In-hospital mortality

50 (16.4)

29 (17.5)

21 (15.1)

0.579

Mortality after discharge

47 (18.4)

22 (16.1)

25 (21.2)

0.292