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Table 4 ROC-analysis of motor percentiles based on ADHD-C versus no ADHD-C

From: Motor function may differentiate attention deficit hyperactivity disorder from early onset bipolar disorder

Motor Percentile Area under curve, C.I. Cut perc. Sens % C.I. Spec % C.I. PPV% C.I. NPV % C.I.
Total motor age*** .836 .737 - .936 14.0 44 37-44 100 88-100 100 85-100 50 44-50
Static coordination** .820 .703 - .937 7.5 76 67-81 83 67-92 87 79-95 66 53-73
Hand-eye coordination** .734 .610 - .858 14.5 44 36-49 91 77-98 90 74-97 48 40-51
Dynamic coordination** .668 .531 - .804 15.5 24 18-26 96 83-99 91 65-98 42 36-43
Tempo .639 .502 - .775 16.5 38 32-41 96 82-99 94 76-99 47 40-49
Simultaneous movement** .693 .553 - .834 12.0 34 26-39 87 72-95 82 63-94 43 35-47
  1. Area under the curve and suggested cut-off percentiles with and corresponding sensitivity, specificity, positive predictive value and negative predictive value in predicting ADHD-C (N = 41) versus no ADHD-C (N = 23).
  2. C.I. = 95% confidence interval, Cut perc. = cut-off percentile, sens = sensitivity, Spec = specificity, PPV = positive predictive value, NPV = negative predictive value***p < 0.01; **p < 0.03, *p < 0.05 (null hypothesis: true area = 0.5).