Table 5.
Comparison of demographic and clinical features based on clinical outcomes
| Patients with > 50% reduction in tics (n = 99) |
Patients with no changes in tics (n = 20) |
P value | |
|---|---|---|---|
| Gender (Male)a | 74 (74.7%) | 15 (75%) | 0.98 |
| Age (years) at symptom onset, mean (range)b | 7.1 (1.2–13.9) | 8.2 (1.7–14.5) | 0.12 |
| Age (years) at diagnosis, mean (range)b | 8.2 (1.7–17.4) | 9.1 (2.4–14.9) | 0.26 |
| Time interval (months) between symptom onset and diagnosis, mean (range)b | 13.7 (0.25–132) | 11.2 (0.25–60) | 0.63 |
| Subtypes of tic disordera | |||
| Provisional tic disorder | 77 (77.8%) | 15 (75%) | 0.78 |
| Chronic motor or vocal tic disorder | 7 (7.1%) | 1 (5%) | 0.73 |
| Tourette syndrome | 15 (15.1%) | 4 (20%) | 0.58 |
| Initial tic symptomsa | |||
| Motor tics | 44 (44.4%) | 8 (40%) | 0.71 |
| Vocal tics | 8 (8.1%) | 0 | 0.18 |
| Motor + vocal tics | 47 (47.5%) | 12 (60%) | 0.30 |
| YGTSS at diagnosis, mean (range)b | 12.6 (0–50) | 15 (0–30) | 0.37 |
| Presence of neuropsychiatric comorbiditiesa | 32 (32.3%) | 5 (25%) | 0.51 |
| Treatment utilizationa | |||
| Medication | 66 (66.7%) | 14 (70%) | 0.77 |
| Nonmedical treatment | 33 (33.3%) | 6 (30%) | 0.77 |
YGTSS Yale Global Tic Severity Scale
aChi-square test was used
bIndependent t-test was used