Table 3.
Correlation of tic severity with clinical variables
| Pearson coefficient | p-value | N | |
|---|---|---|---|
| Age, years | 0.154 | < 0.001** | 679 |
| FSIQ | 0.152 | 0.034* | 195 |
| K-Leiter-R | 0.028 | 0.586 | 369 |
| VABS-2 | − 0.066 | 0.096 | 632 |
| SRS-2 SCI T score | 0.173 | < 0.001** | 663 |
| SRS-2 RRB T score | 0.248 | < 0.001** | 668 |
| SRS-2 total T score | 0.194 | < 0.001** | 663 |
| CBCL anxiety/depression | 0.206 | < 0.001** | 667 |
| CBCL withdrawn/depression | 0.139 | < 0.001** | 663 |
| CBCL somatic complaints | 0.202 | < 0.001** | 661 |
| CBCL delinquent behaviors | 0.157 | 0.001* | 478 |
| CBCL aggressive behaviors | 0.236 | < 0.001** | 667 |
| CBCL internalizing behaviors | 0.224 | < 0.001** | 667 |
| CBCL externalizing behaviors | 0.199 | < 0.001** | 667 |
| YBOCS obsession | 0.178 | < 0.001** | 609 |
| YBOCS compulsion | 0.200 | < 0.001** | 607 |
| YBOCS total | 0.195 | < 0.001** | 609 |
FSIQ: full-scale intelligence quotient; VABS-2: Vineland Adaptive Behavior Scales; SRS-2: Social Responsiveness Scale; CI: Social Communication Index; RRB: Restricted Interests and Repetitive Behavior; CBCL: Child Behavior Checklist; YBOCS: Yale-Brown Obsessive Compulsive Scale
*p < 0.05, **p < 0.001