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Table 1 Characteristics of patients investigated for suspected active tuberculosis, and controls

From: Use of a T cell interferon gamma release assay in the investigation for suspected active tuberculosis in a low prevalence area

 

Tuberculosis

n = 70

Other final diagnoses

n = 71

Controls

n = 98

Women (%)

40 (57.1)

35 (49.3)

35 (35.7)

Median age (years)

38

58

32

Median BMI

22

23

 

Origin from country with high or intermediate TB-incidence* (%)

52 (74.3)

23 (32.4)

98 (100)

Immune supression** (%)

19 (27.1)

28 (39.4)

0 (0.0)

Affected organ

   

Lung (%)

44 (62.9)

60 (84.5)

 

Pleura (%)

3 (4.3)

1 (1.4)

 

Mediastinal lymph node (%)

1 (1.4)

2 (2.8)

 

Peripheral lymph node (%)

10 (14.3)

1 (1.4)

 

Joint/skeleto-muscular (%)

3 (4.3)

3 (4.3)

 

Skin/soft tissue (%)

2 (2.8)

1 (1.4)

 

Gastrointestinal/abdominal (%)

4 (5.7)

0 (0.0)

 

Urogenital (%)

0 (0.0)

1 (1.4)

 

Multiple locations (%)

3 (4.3)

2 (2.8)

 
  1. TB: Tuberculosis; BMI: Body Mass Index
  2. * Defined as ≥20 cases/100 000 inhabitants
  3. ** HIV-infection (n = 6), immunosuppressive treatment (n = 18), diabetes (n = 9), alcohol or drug abuse (n = 9), cancer (n = 4), Mb Down (n = 1)