Table 1.
The clinical characteristics for different groups.
| Groups | N | Male/female | Mean age (SD) | Total PUTS Mean (SD) |
|---|---|---|---|---|
| Total sample | 367 | 293/74 | 9.53(2.06) | 12.95 (3.27) |
| TS group | 252 | 204/48 | 9.6 (2.17) | 13.19 (3.23) |
| Younger group | 230 | 183/47 | 8.5 (1.30) | 12.48 (3.01) |
| Older group | 137 | 110/27 | 12.4 (1.39) | 13.54 (3.51) |
| P-value (younger vs. older) | N/A | 0.867 | 0.000 | 0.457 |
PUTS, Premonitory Urge for Tics Scale; SD, Standard Deviation; N/A, Not Available; Younger Group: age <10; Older Group: age ≥ 10.