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Table 1 Baseline characteristics of the definite tuberculosis (TB) and non-TB patients

From: Comparison of same day diagnostic tools including Gene Xpert and unstimulated IFN-γ for the evaluation of pleural tuberculosis: a prospective cohort study

  Definite-TB Non-TB p-value
Patients (n) 40 48  
Age (yrs) 39 (29,55) 61 (54,69) <0 · 0001#
Sex    
Male 24 (60%) 29 (60.4%)  
Female 16 (40%) 19 (39.6%)  
Race    
White 1 (2.5%) 5 (10 . 4%)  
Black 28 (70%) 9 (18.8%) <0.0001*
Mixed 11 (27.5%) 34 (70.8%) <0.0001*
HIV Status    
HIV-infected 8 (20%) 1 (2 . 0%) <0.05*
HIV uninfected 22 (55%) 29 (60.4%)  
Refused testing 4 (10%) 3 (6.3%)  
Unknown 6 (15%) 15 (31.3%)  
History of Previous TB    
Yes 6 (15%) 5 (10.4%)  
No 31 (77 . 5%) 39 (81.3%)  
Unknown 3 (7.5%) 4 (8.3%)  
BCG Status    
Yes 20 (50%) 25 (52.1%)  
No 10 (25%) 5 (10.4%)  
Unknown 10 (25%) 18 (37.5%)  
Current smoker    
Yes 7 (17.5%) 18 (37.5%) <0.05*
No 32 (80%) 26 (54.1%) <0.05*
Unknown 1 (2.5%) 4 (8.3%)  
  1. Data are presented as median (IQR) or n (%) or yrs (IQR). BCG: bacilli Calmette-Guerin. #: unpaired t-test; *: Chi-squared test.