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Table 2 Comparison of SAT-TB, BALF smear and culture results

From: Clinical diagnostic value of simultaneous amplification and testing for the diagnosis of sputum-scarce pulmonary tuberculosis

  Sensitivity Specificity PPV NPV Accuracy Rates
SAT-TB 50.75% 94.73% 95.77% 45.00% 63.87%
BALF culture 21.64% 98.25% 96.67% 34.78% 44.50%
BALF smear 4.48% 98.25% 85.71% 30.43% 29.84%
  1. BALF Bronchial Alveolar Lavage Fluid, PPV Positive Predictive Values, NPV Negative Predictive Values