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Proportions of Metavir fibrosis stage (F) according to 90% thresholds of Se/Spe for FibroMeter. The indeterminate interval between these two thresholds was divided according to diagnostic cut-off at 0.5, providing two new intervals between this cut-off and the thresholds of Se/Spe: second interval between 90% Se threshold and diagnostic cut-off; third interval between diagnostic cut-off and 90% Spe threshold.
