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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)