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Table 5 Comparison of demographic and clinical features based on clinical outcomes

From: Clinical features and neuropsychiatric comorbidities in pediatric patients with tic disorders: a retrospective chart review study from South Korea

 

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

  1. YGTSS Yale Global Tic Severity Scale
  2. aChi-square test was used
  3. bIndependent t-test was used