Table 6.

Multivariate analysis of variables associated with clinical outcomes

	Odds ratio (95% CI)	P value
Gender	1.25 (0.38–4.13)	0.70
Age at symptom onset	0.08 (0–7,705,330.35)	0.79
Age at diagnosis	13.17 (0–1,169,765,988)	0.78
Time interval between symptom onset and diagnosis	0.80 (0.17–3.67)	0.77
Subtypes of tic disorder
Provisional tic disorder	1	0.99
Chronic motor or vocal tic disorder	0.98 (0.22–4.25)	0.98
Tourette syndrome	0.95 (0.06–13.25)	0.97
Initial tic symptoms
Motor tics	1	0.74
Vocal tics	0	0.99
Motor + vocal tics	1.58 (0.48–5.10)	0.44
YGTSS at diagnosis	1.02 (0.97–1.07)	0.39
Presence of neuropsychiatric comorbidities	0.64 (0.19–2.07)	0.46
Treatment utilization	1.12 (0.34–3.66)	0.84

YGTSS Yale Global Tic Severity Scale