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Table 6 Optimal critical points (threshold) of TTP for the diagnosis of liver fibrosis in different stages

From: Comparison of MR-PWI quantitative and semi-quantitative parameters for the evaluation of liver fibrosis

Stage Thresholds Sensitivity Specificity P value
Stage S1  ≥ 1.714 0.917 0.800 0.000
Stage S2  ≥ 2.141 0.925 0.833 0.000
Stage S3  ≥ 2.852 0.928 0.911 0.000
Stage S4  ≥ 3.595 0.933 0.917 0.000