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Fecal immunochemical test concentration in the prediction of colorectal neoplasia: linear regression analysis. The association between FIT concentration with log(2) transformation (X-axis) and PPV (Y-axis). (all R2 > 0.95, P < 0.001). FIT: Fecal immunochemical test; O: Other; A: Adenoma; AA: Advanced adenoma; C: Cancer; PPV: Positive predictive value.
