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Table 4 The results of the diagnostic laboratory methods, the rate of abnormality in imaging and invasive methods, and definitive diagnosis in divided groups based upon the clinical presentation.

From: Clinical presentation of abdominal tuberculosis in HIV seronegative adults

Groups*

I (n = 24)

II (n = 24)

III (n = 22)

IV (n = 9)

V (n = 9)

P

WBC (/mm3 × 1000)

10 ± 4

8.7 ± 2.6

7.7 ± 1.8

14 ± 3.7

7.3 ± 2.8

0.002

ESR(mm/h)

67 ± 21

65 ± 31

71 ± 20

69 ± 21

72 ± 26

0.842

Tuberculin skin test (mm)

17 ± 7

18 ± 6.5

13 ± 7

18 ± 11

16 ± 9

0.119

AFB in sputum %

12.5

4.5

18.2

25

11

0.602

Chest X-ray %

54.2

27.5

40.9

66.6

22.2

0.448

APG %

20.8

12.5

31.8

66.7

0

0.014

Abdominal CT %

91.7

100

90.9

100

77.8

0.196

** Colonoscopy %

62.5 (5/8)

7.5 (2/15)

90.9 (20/22)

75 (3/4)

33.3 (1/3)

0.04

Operation %

54.2

54.2

33.3

75

22.2

0.156

Diagnosis %

      

Evidence based

79.2

83.3

86.4

88.9

88.9

 

Histopathologic

62.5

50

45.5

44.4

55.6

 

Microbiologic

4.2

12.5

9.1

33.3

11.1

0.933

H+M

12.5

20.8

31.8

11.1

22.2

 

ETT%

20.8

16.7

13.6

11.1

11.1

 
  1. *Group I, non-specific abdominal pain; Group II, ascites; Group III, alteration in bowel habit (diarrhea or constipation or together); Group IV, acute abdomen; Group V, others (jaundice, dysphagia, fistula, fever of unknown origin, mass, weight loss);
  2. ** The percent in patients with colonoscopy performed WBC, white blood cell count; ESR, erythrocyte sedimentation rate; AFB, acid-fast bacteria; APG, abdominal plain graphy; CT, computed tomography; H, histopathologic; M, microbiologic; ETT, empiric therapeutic trial. P value of less than 0.05 was considered to indicate the statistical significance in between groups.