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Table 1 Clinical samples sent for mycobacteriology

From: Rapid microbiological screening for tuberculosis in HIV-positive patients on the first day of acute hospital admission by systematic testing of urine samples using Xpert MTB/RIF: a prospective cohort in South Africa

Sample Urine and sputum samples obtained in first 24 h Total samples obtained during admission
  Number of patients producing ≥1 sample (%) Total number of samples Number of patients producing ≥1 sample (%) Total number of samples Total number of culture and Xpert tests done Number of positive culture and Xpert tests (%) Number of TB patients with ≥1 positive culture or Xpert test (%)
Sputum 158 (37.0) 279 245 (57.4) 615 871 210 (24.1) 75 (54.0)a
Urine 418 (97.9) 418 418 (97.9) 418 833 141 (16.9) 89 (64.0)
Other non-respiratory samples - - 418 (97.9) 712 687 91 (13.2) 69 (49.6)
 Ascitic fluid - - 5 (1.2) 5 5 1 (20.0) 1 (0.7)
 Blood - - 410 (96.0) 469 469 41 (8.7) 41 (29.5)
 Bone marrow - - 2 (0.5) 2 2 0 0
 Cerebrospinal fluid (CSF) - - 76 (17.8) 94 94 8 (8.5) 8 (5.8)
 Fine needle aspirate (FNA) - - 19 (4.4) 23 10 6 (60.0) 6 (4.3)
 Gastric lavage - - 5 (1.2) 7 7 2 (28.6) 1 (0.7)
 Pus - - 5 (1.2) 6 6 4 (66.7) 3 (2.2)
 Pleural fluid - - 21 (4.9) 29 29 17 (58.6) 13 (9.4)
 Stoolb - - 9 (2.1) 10 0 0 0
 Urinec - - 60 (14.1) 63 61 11 (18.0) 11 (7.9)
 Other - - 4 (0.9) 4 4 1 (25.0) 1 (0.7)
Total 420 (98.4) 697 427 (100) 1,745 2,391 442 (18.5) 139 (100)
  1. aOnly 39 (28.1 %) of total diagnoses could be made from sputum samples obtained in the first 24 h; btested by Ziehl–Neelsen staining only; curine samples requested later than the first 24-h period for culture (not part of Xpert screening strategy)