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Table 3 Sensitivity, specificity, PPV and NPV for soft signs in predicting ADHD-C (N = 41), versus no ADHD-C (N = 23).

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

Soft signs Sens. % (C.I.) Spes, % (C.I.) PPV,% (C.I.) NPV, % (C.I.)
Total 81 (72-86) 83 (68-92) 89 (80-95) 70 (58-79)
Jump on one leg 54 (45-60) 78 (62-90) 82 (68-91) 49 (39-56)
Fingertip touch 17 (10-22) 87 (75-95) 70 (42-89) 32 (32-41)
Oculomotor 24 (18-26) 96 (83-99) 91 (65-98) 41 (36-42)
Arms forward 22 (15-24) 96 (83-99) 90 (63-98) 41 (36-42)
Walk heel-toe 32 (24-37) 83 (68-93) 77 (57-90) 40 (33-45)
Speech 20 (13-23) 91 (79-98) 80 (52-94) 39 (34-42)
Stand on one leg 51 (42-59) 70 (53-85) 75 (62-86) 44 (34-53)
Diadochokinesis 42 (33-47) 83 (67-93) 81 (65-92) 44 (36-59)
Cutting circle 17 (11-19) 98 (85-99) 88 (56-98) 39 (35-41)
Fog's test 51 (42-59) 70 (53-83) 75 (62-86) 44 (34-53)
Finger opposition 83 (74-89) 68 (52-80) 83 (74-89) 68 (52-80)
  1. sens = sensitivity, spes. = specificity, PPV = positive predictive value,
  2. NPV = negative predictive value. 95% C.I. = 95% confidence interval.