Variables | TD (n=135) | TD plus allergy (n=85) | t (χ2) | P value |
Sex | ||||
Male | 98 | 60 | 0.1035* | 0.7476 |
Female | 37 | 25 | ||
Age | 7.2±1.5 | 7.6±1.6 | 1.8767† | 0.0619 |
Type of TD | ||||
TTD | 58 | 27 | 2.9433* | 0.2296 |
CTD | 37 | 30 | ||
TS | 40 | 28 | ||
Severity | ||||
Mild TD | 80 | 35 | 7.8004* | 0.0202 |
Moderate TD | 42 | 34 | ||
Severe TD | 13 | 16 |
*Pearson’s χ2 test.
†t-test.
CTD, chronic tic disorder; TD, tic disorder; TS, Tourette syndrome; TTD, transient tic disorder.