Table 1 Demographic and clinical characteristics of persons screed with chest X-ray

N

130 (1.6)

1241 (14.8)

7015 (83.7)

8386 (100)

Sex

 Male

65 (2.3)

517 (18.5)

2220 (79.2)

2802 (100)

 Female

65 (1.2)

724 (13.0)

4795 (85.9)

5584 (100)

Age

 15–24

4 (2.0)

6 (3.0)

189 (95.0)

199 (100)

 25–34

6 (1.4)

20 (4.5)

415 (94.1)

441 (100)

 35–44

18 (2.2)

52 (6.4)

742 (91.4)

812 (100)

 45–54

22 (1.4)

165 (10.8)

1339 (87.7)

1526 (100)

 55–64

27 (1.1)

361 (14.3)

2133 (84.6)

2521 (100)

 65-

53 (1.9)

634 (22.3)

2152 (75.8)

2839 (100)

 Unknown

0 (0.0)

3 (6.3)

45 (93.8)

48 (100)

TB symptoms

 Cough (yes)

108 (2.1)

908 (17.5)

4186 (80.5)

5202 (100)

 (No)

22 (0.7)

333 (10.5)

2829 (88.9)

3184 (100)

 Fever (yes)

86 (1.9)

758 (16.3)

3800 (81.8)

4644 (100)

 (No)

44 (1.2)

483 (12.9)

3215 (85.9)

3742 (100)

 Night sweat (yes)

54 (1.3)

621 (15.2)

3402 (83.4)

4077 (100)

 (No)

76 (1.8)

620 (14.4)

3613 (83.8)

4309 (100)

 Weight loss (yes)

79 (2.2)

636 (17.5)

2919 (80.3)

3634 (100)

 (No)

51 (1.1)

605 (12.7)

4096 (86.2)

4752 (100)

 Lymph node swelling (yes)

4 (1.5)

26 (9.7)

239 (88.8)

269 (100)

 (No)

126 (1.6)

1215 (15.0)

6776 (83.5)

8117 (100)

Other risk factors

 Diabetes mellitus (yes)

9 (2.0)

64 (14.4)

372 (83.6)

445 (100)

 (No)

121 (1.5)

1177 (14.8)

6643 (83.7)

7941 (100)

 HIV (yes)

0 (0.0)

12 (30.8)

27 (69.2)

39 (100)

 (No or unknown)

130 (1.6)

1229 (14.7)

6988 (83.7)

8347 (100)

 Smoking (yes)

22 (1.9)

200 (16.8)

965 (81.3)

1187 (100)

 (No)

108 (1.5)

1041 (14.5)

6050 (84.0)

7199 (100)

 Family TB history (yes)

13 (1.4)

127 (14.0)

764 (84.5)

904 (100)

 (No)

117 (1.6)

1114 (14.9)

6251 (83.5)

7482 (100)

 TB contact (yes)

17 (1.5)

141 (12.3)

987 (86.2)

1145 (100)

 (No)

113 (1.6)

1100 (15.2)

6028 (83.2)

7241 (100)

 Past TB history (yes)

15 (1.5)

299 (30.1)

679 (68.4)

993 (100)

 (No)

115 (1.6)

942 (12.7)

6336 (85.7)

7393 (100)