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Table 2 Median values of the cross-validated diagnostic accuracy features

From: Early diagnosis of gestational trophoblastic neoplasia based on trajectory classification with compartment modeling

Modela Sensitivity Specificity PPV NPV Classification rate (%)
(%) (%) (%) (%)
A 34.9 97.1 67.0 89.6 87.9
A × t 44.6 94.8 59.4 90.8 87.4
Non-biological 24.6 93.8 41.6 87.9 83.6
  1. aType of residual hCG production: constant (r(t) = A), proportional to time (r(t) = A × t), or non-biological model