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Table 4 TST diameter related to BCG scar and Quantiferon

From: Relation between BCG vaccine scar and an interferon-gamma release assay in immigrant children with “positive” tuberculin skin test (≥10 mm)

  QFT Negative QFT Positive p - value
With BCG scar 12 (10–27) 17 (10–38) <0.0001
Without BCG scar 12 (10–23) 18 (10–40) <0.0001
  1. Relation between median (range) TST diameter (mm) and QFT result in children with and without BCG scar and positive and negative Quantiferon