Table 1.
Means and standard deviations for descriptive variables, including demographic and clinical variables.
| GTS group
|
Control group
|
t-test | |||
|---|---|---|---|---|---|
| (n=15)
|
(n=20)
|
||||
| Mean | σ | Mean | σ | ||
| Demographic and characteristics | |||||
| Age (years) | 37 | 8 | 40 | 12 | n.s. |
| Education (years) | 15 | 3 | 15 | 2 | n.s. |
| Laterality (right) | 100 | – | 100 | – | n.s. |
| Gender (M/F%) | 50/50 | – | 50/50 | – | n.s. |
| Visual acuity (Snellen) | 1.2 | 0.27 | 1.4 | 0.28 | n.s. |
| Color perception (Ishihara) | 11 | 1 | 11 | 1 | n.s. |
| Clinical variables | |||||
| Intelligence (Raven matrices) | 76 | 25 | 75 | 21 | n.s. |
| Depression (BDI) | 8 | 7 | 3 | 3 | ** |
| Anxiety (BAI) | 11 | 9 | 3 | 3 | ** |
| OCD (Padua Inventory) | 37 | 22 | 12 | 8 | ** |
| Style of planning (global) a | 8 | 27 | 39 | 17 | ** |
| Over-preparation | 2 | 9 | 12 | 7 | ** |
| Over-activity | 1 | 5 | 17 | 7 | ** |
| Inflexibility | 5 | 9 | 10 | 7 | * |
| TSGS (global=severity+disruption) | 24 | 12 | – | – | n.a. |
| Tic severity | 13 | 7 | – | – | n.a. |
| Behavioral disruption | 11 | 7 | – | – | n.a. |
| Simple motor | 25 | 39 | – | – | n.a. |
| Complex motor | 7 | 5 | – | – | n.a. |
| Simple vocal | 13 | 20 | – | – | n.a. |
| Complex vocal | 2 | 5 | – | – | n.a. |
Note. n.s = non significant; BAI = Beck Anxiety Inventory; BDI = Beck Depression Inventory; SM = simple motor; CM = complex motor; SP = simple phonic; CP = complex phonic.
*
P<0.05;
**
P<0.01;
n.a.: non-applicable.
a
For the style of planning (STOP) questionnaire, a lower score means greater symptom severity.