Table 4.
Multivariate analysis of variables associated with tic severity
| Odds ratio (95% CI) | P value | |
|---|---|---|
| Gender | 0.67 (0.24–1.88) | 0.45 |
| Age at symptom onset | 0.09 (0–1,059,041.33) | 0.77 |
| Age at diagnosis | 11.79 (0–131,775,769.7) | 0.76 |
| Time interval between symptom onset and diagnosis | 0.81 (0.21–3.16) | 0.77 |
| Subtypes of tic disorder | ||
| Provisional tic disorder | 1 | 0.37 |
| Chronic motor or vocal tic disorder | 1.43 (0.39–5.21) | 0.58 |
| Tourette syndrome | 0.38 (0.04–3.37) | 0.39 |
| Initial tic symptoms | ||
| Motor tics | 1 | 0.77 |
| Vocal tics | 1.47 (0.26–8.13) | 0.65 |
| Motor + vocal tics | 1.42 (0.50–3.97) | 0.50 |
| Presence of neuropsychiatric comorbidities | 1.43 (0.58–3.52) | 0.43 |