Table 2 Classification performance metrics

From: Automated analysis of free speech predicts psychosis onset in high-risk youths

Classification

PPV

NPV

Sens.

Spec.

ROC

Convex Hull 3-feature

100

100

100

100

1.00

SIPS/SOPS

33

89

40

86

0.47

  1. Abbreviations: NPV, negative predictive value; PPV, positive predictive value; ROC, receiver operating characteristic area under the curve; Sens, sensitivity; SIPS/SOPS, classification based on baseline scores on the Structured Interview for Prodromal Syndromes/Scale for Prodromal Symptoms; Spec, specificity.
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