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Table 1 Differences between matched and unmatched cohort of DR-TB patients initiated on antiretroviral therapy

From: Data quality of drug-resistant tuberculosis and antiretroviral therapy electronic registers in South Africa

 All DR-TB/ART patients
(n = 3105)
Not matched to ART data (n = 1167)Matched to ART data
(n = 1938)
Site, n (%)
 Site 1 (FIS/TE)186 (6.0%)37 (3.2%)149 (7.7%)
 Site 2 (EDRWeb/TIER.NET)449 (14.5%)109 (9.4%)340 (17.5%)
 Site 3 (EDRWeb/TIER.NET)2470 (79.5%)1021 (87.5%)1449 (74.8%)
Gender, n (%)
 Female1615 (52.1%)614 (52.7%)1001 (51.7%)
 Male1489 (48.0%)553 (47.4%)936 (48.3%)
Age, median (IQR)35 (29–41)35 (30–41)34 (29–41)
Patient category
 New1196 (38.5%)430 (36.8%)766 (39.5%)
 Treatment after failure1201 (38.7%)465 (39.8%)736 (38.0%)
 Relapse495 (15.9%)198 (17.0%)297 (15.3%)
 Treatment after loss to follow-up183 (5.9%)64 (5.5%)119 (6.1%)
 Transfer-in1 (< 0.1%)1 (0.1%)0 (0.0%)
 Other7 (0.2%)4 (0.3%)3 (0.2%)
 Unknown22 (0.7%)5 (0.4%)17 (0.9%)
TB type
 Extra-pulmonary TB82 (2.6%)21 (1.7%)61 (3.1%)
 Pulmonary TB2672 (86.1%)1045 (89.6%)1627 (84.0%)
 Missing351 (11.3%)101 (8.7%)250 (12.9%)
TB outcome
 Cure1038 (33.4%)431 (36.9%)607 (31.3%)
 Completed treatment661 (21.3%)210 (18.0%)451 (23.3%)
 Death557 (17.9%)208 (17.8%)349 (18.0%)
 Treatment failure72 (2.3%)19 (1.6%)53 (2.7%)
 Lost to follow-up689 (22.2%)276 (23.7%)413 (21.3%)
 Transferred out30 (1.0%)13 (1.1%)17 (0.9%)
 Still on treatment17 (0.5%)2 (0.2%)15 (0.8%)
 Other1 (0.0%)0 (0.0%)1 (0.1%)
 Not specified27 (0.9%)3 (0.3%)24 (1.2%)
  1. Abbreviations: DR-TB Drug resistant tuberculosis, ART Antiretroviral therapy, FIS Focal Point Information System, TE TherapyEdge-HIV™, EDRWeb Electronic Drug Register Web, TIER.NET The Three Integrated Electronic Registers, IQR Interquartile range