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Table 1 Cohort characteristics

From: Chest radiograph reading and recording system: evaluation in frontline clinicians in Zambia

Characteristic HIV positive participants HIV negative participants All participants
n = 233 n = 338 n = 571
Male sex 220 (94.4 %) 336 (99.4 %) 556 (97.4 %)
Age, mean (SD) 38.1 (8.4) 39.0 (12.9) 38.6 (11.3)
Prior history of TBa 83 (35.6 %) 61 (18.0 %) 144 (25.2 %)
Culture-confirmed TBb 30/200 (15.0 %) 44/303 (14.5 %) 74/503 (14.7 %)
 Smear positive TB 9 (3.9 %) 14 (4.1 %) 23 (4.0 %)
Any TB-related symptomsa 179 (76.8 %) 241 (71.3 %) 420 (73.6 %)
  1. aSelf-reported cough, fever, weight loss, night sweats, difficulty breathing, chest pain, loss of appetite, or swelling (lymphadenopathy)
  2. b68 patients excluded due to missing/contaminated cultures