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Table 2 Summary statistics for the SEPT9 test in colorectal cancer detection

From: Septin 9 methylated DNA is a sensitive and specific blood test for colorectal cancer

  Most Sensitive Moderate Sensitivity, Moderate Specificity Most Specific
Positive PCR replicates 1 out of 3 2 out of 3 3 out of 3
Sensitivity 90% 76% 70%
Specificity 88% 99% 100%
Positive predictive value 3.61% 26.30% 100%
Negative predictive value 99.94% 99.88% 99.85%