Table 1

Characteristics and sputum microbiology results of study participants, stratified by the original survey classification of the chest X-rays as ‘abnormal, suggestive of TB’ versus ‘abnormal other’

Abnormal, suggestive of TB (n=385)Abnormal, other (n=737)Total (n=1123)P value
Sex<0.001
 Missing011
 Female198 (51.4%)570 (70.8%)720 (64.2%)
 Male187 (48.6%)239 (29.2%)402 (35.8%)
Age (years)<0.001
 Median (Q1, Q3)45.0 (33.0, 64.0)54.0 (38.0, 67.0)51.0 (36.2, 66.0)
Study consensus interpretation<0.001
 Abnormal CXR247 (64.2%)353 (49.0%)600 (53.4%)
 Normal CXR138 (35.8%)384 (52.1%)522 (46.6%)
 Missing1
Cough of any duration0.002
 Missing011
 No278 (72.2%)594 (80.6%)872 (77.7%)
 Yes107 (27.8%)143 (19.4%)250 (22.3%)
Reported weight loss0.674
 No324 (84.2%)613 (83.2%)937 (83.5%)
 Yes61 (15.8%)124 (16.8%)185 (16.5%)
Reported fever0.385
 No320 (83.1%)597 (81.0%)917 (81.7%)
 Yes65 (16.9%)140 (19.0%)205 (18.3%)
Reported night sweats0.001
 No278 (72.2%)594 (80.6%)872 (77.7%)
 Yes107 (27.8%)143 (19.4%)250 (22.3%)
Self-reported HIV status0.005
 Missing183389572
 HIV-negative180 (89.1%)328 (94.3%)508 (92.4%)
 HIV-positive22 (10.9%)20 (5.7%)42 (7.6%)
Taking TB treatment0.069
 Missing182340522
 No199 (98.0%)395 (99.5%)594 (99.0%)
 Yes4 (2.0%)2 (0.5%)6 (1.0%)
Previously treated for TB<0.001
 Missing182403522
 No175 (86.2%)391 (98.5%)566 (94.3%)
 Yes28 (13.8%)6 (1.5%)34 (5.7%)
Sputum Xpert/culture result0.001
 Missing66600666
 Negative293 (91.8%)185 (99.3%)429 (94.1%)
 Positive26 (8.2%)1 (0.7%)27 (5.9%)
  • CXR, chest X-ray.