Table 3.
Sensitivity, specificity, PPV and NPV for soft signs in predicting ADHD-C (N = 41), versus no ADHD-C (N = 23).
| 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) |
sens = sensitivity, spes. = specificity, PPV = positive predictive value,
NPV = negative predictive value. 95% C.I. = 95% confidence interval.