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Table 2 Predictive statistics for schizophrenia within those 18 subjects with minor symptoms.

From: Grey matter changes can improve the prediction of schizophrenia in subjects at high risk

Region False+, False- PPV% NPV% Likelihood ratio + Likelihood ratio - Sensitivity % Specificity % Effect size
Right cerebellum 2, 3 71 73 3.13 0.47 63 80 -0.68
Left uncus 3, 5 50 58 1.25 0.89 38 70 -0.09
Left inferior temporal gyrus 3, 3 63 70 2.08 0.54 63 70 -0.55
  1. Statistics for the prediction of the development of schizophrenia within a 10-year period, based on changes in grey matter in the right cerebellum, left uncus and left inferior temporal gyrus (n = 18; only familial high-risk subjects who had transient, partial or isolated psychotic symptoms and had two scans in the first 4 years of the Edinburgh High Risk Study).
  2. + positive; - negative; NPV, negative predictive value; PPV, positive predictive value.