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Table 2 Results of TB laboratory testing

From: The utility of point-of-care urinary lipoarabinomannan testing for the diagnosis of tuberculosis in critically ill patients: a prospective observational study

 

Total

Negative

Positive

Per patienta

 LAM

50

38 (76%)

12 (24%)

 GeneXpert

49

41 (84%)

8 (16%)

 TB culture

43

40 (93%)

3 (7%)

 Auramine

12

7 (58%)

5 (42%)

 Histology

2

0 (0%)

2 (100%)

Per sampleb

 GeneXpert

69

59 (86%)

10 (14%)

 TB culture

60

57 (95%)

3 (5%)

  1. a The results in this category are aggregated results for each patient. A test may have been repeated multiple times per patient and in the case of repeat testing with discordant results, the test category would be reported as positive if there was a single positive result
  2. b The results in this category represent the results of each individual test and are not presented per patient