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Table 4 Clinical classification, two tests: combined original and Complex Social Geopref Tests

From: The geometric preference subtype in ASD: identifying a consistent, early-emerging phenomenon through eye tracking

69% Geo threshold All available subjects
N = 126
All available subjects
N = 126
Screening referred subjects only
N = 82
Screening referred subjects only
N = 82
Positive = positive on either test ASD only = true positive ASD + ASD features = true positive ASD only = true positive ASD + ASD features = true positive
True positive 13 15 9 11
False negative 24 32 18 23
False positive 5 3 5 3
True negative 84 76 50 45
Sensitivity (%) 35 32 33 32
Specificity (%) 94 96 91 94
Positive predictive value (%) 72 83 64 79
Negative predictive value (%) 78 70 74 66
Area under ROC curve .75 .78 .73 .76