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Table 5 Multi-level kappa values for select sociodemographic and TB indicator variables for patients with records in all data sources (n = 1077)

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

  TB Blue Card vs. register vs. initial ETR TB Register vs. initial ETR vs. provincial ETR Initial ETR vs. provincial vs. national ETR Overall weighted (5-level for KZN, 6-level for GAU, MPU)
Sex 0.93 0.94 0.97 0.94
Patient category 0.79 0.79 0.90 0.78
Disease classification 0.83 0.88 0.97 0.84
Pretreatment smear result 0.59 0.56 0.70 0.63
Treatment regimen 0.74 0.84 0.97 0.81
HIV status 0.33    
DOT, intensive phase −0.09 0.01 0.32 0.17
Smear conversion result, 2 month 0.25 0.23 0.40 0.35
Smear conversion result, 3 month −0.03 −0.08 0.11 0.09
DOT, end of treatment −0.30 −0.28 0.24 −0.09
Treatment outcome 0.65 0.76 0.90 0.72
  1. Overall comparison includes all 5 levels for KZN and 6 levels for GAU and MPU
  2. Data on HIV and HIV-related treatment only available through the initial ETR level