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Table 1 Subject characteristics

From: Performance and immune characteristics of bronchoalveolar lavage by research bronchoscopy in pulmonary tuberculosis and other lung diseases in the Western Cape, South Africa

 

TB (n = 17)

Healthy (n = 11)

OLD (n = 19)

Demographic

 Med age (min-max)

45 (26–58)

28 (20–69)a

46 (27–78)a

 Male participant frequency (%)

70.6b,c

27.3b

26.3c

 Smoker frequency (%)

76.5

72.7

63.2

Clinical Diagnosis*, n

 Active PTB

16

0

0

 PTP w/ extrapulmonary TB

1

0

0

 LRTI

0

0

7

 Malignancy**

0

0

6

 COPD

2

0

6

 Interstitial lung disease

0

0

1

Comorbidities

 DM

2

0

2

 Rheumatoid arthritis

0

0

1

 HIV infection

1

0

6

  1. * Participants from each group (TB, Healthy and OLD) may present with multiple clinical diagnoses and syndromes
  2. ** Includes all forms of malignancies
  3. a indicates significant differences between age and cohort. Significance determined at P < 0.05 using and one way ANOVA with Fisher’s LSD as post hoc for all pairwise comparisons
  4. b and c indicate significant differences between gender and cohort. Significance determined at P < 0.05 using Fisher’s exact test
  5. TB tuberculosis, OLD other lung disease, med median, min minimum, max maximum, % percent, PTP pulmonary tuberculosis, w/ with, LRTI lower respiratory tract infection, DM diabetes mellitus, HIV human immunodeficiency virus, COPD chronic obstructive pulmonary disease