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Table 2 Number and proportion of newly diagnosed smear positive TB cases in the suspect register with TB Blue Cards, entries in the TB Register, or noted as died or lost to follow-up prior to treatment initiation (n = 721)

From: Completeness and Reliability of the Republic of South Africa National Tuberculosis (TB) Surveillance System

   KwaZulu-Natal n (%) Mpumpulanga n (%) Gauteng n (%) Total n (%)
  Total sample smear + TB cases from suspect register 294 174 253 721
  TB Blue Card 179 (60.9) 58 (33.3) 118 (46.6) 355 (49.2)
  TB Register 197 (67.0) 126 (72.4) 134 (53.0) 457 (63.4)
a No Blue Card or Register 89 (30.3) 48 (27.6) 113 (44.7) 250 (34.7)
b Died before treatment starta 2 (2.3) 1 (2.1) 1 (1.0) 4 (1.6)
c Lost to follow-up before treatment starta 2 (2.3) 1 (2.1) 1 (1.0) 3 (1.2)
d Number of smear + TB patients diagnosed and recorded on the suspect register with unknown status after laboratory results were received at the clinic; no notation of treatment or management 85 (28.9) 46 (26.4) 111 (43.9) 243 (33.7)
  1. Died before treatment start and lost to follow-up before treatment start (“early defaulters”) as noted on the suspect register
  2. aPercentages are of those without a TB Blue Card or in the TB Register
  3. d = a - (b + c)