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Table 2 Performances of SAT-TB and culture methods compared with clinical assessment of patients (n = 482)

From: Application of real-time simultaneous amplification and testing method to accurately and rapidly detect extra-pulmonary tuberculosis

 No. of cases with clinical diagnosis of TBMean %
MethodResultPositiveNegativeSensitivitySpecificityPPVNPV
SAT-TB assay   41.6%100%100%16.2%
 Positive1800    
 Negative25349    
Culture methods   29.3%98.0%99.2%13.6%
 Positive1271    
 Negative30648