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Table. 2.

Table. 2.

Difference between YGTSS or TSTG scores before and after behavioral therapy

Study Treatment group (no. of patients) YGTSS or TSGS score Positive response at follow-up


Pre-treatment Post-treatment Change (%) Outcome 3 months 6 months 10 months
Wilhelm et al. [15] CBIT (63) 24.0±6.47 17.8±7.32 Effect size: 0.57 CBIT>SP 13/15 (86.7) 12/15 (80.0)
Decrease (25.8)
SP (59) 21.8±6.59 19.3±7.40 Decrease (11.5) 1/2 (50.0) 1/2 (50.0)
Piacentini et al. [40] CBIT (61) 24.7 (23.1-26.3) 17.1 (15.1-19.1) Effect size: 0.68
Decrease (51)
CBIT>SP 24/28 (85.7) 20/23 (87.0)
SP (65) 24.6 (23.2-26.0) 21.1 (19.2-23.0) Effect size: 0.57
Decrease (30)
11/12 (91.7) 6/8 (75.0)
O’Connor et al. [41] HRT (80) CTD: 20.31±35.7
HD: 11.03±13.0
CTD: 7.11±15.6
HD: 4.62±7.14
CTD: decrease (65)
HD: decrease (58)
HRT>waitlist 2 years
43/56 (77)
Waitlist & HRT (24) CTD: 21.40±31.2
HD: 10.28±11.0
CTD: 7.11±15.6
HD: 4.62±7.14
Deckersbach et al. [38] HRT (15) 29.3±5.8 18.3±5.2 Decrease (37.5) HRT>SP 8/15 (53.0)
SP (15) 27.7±6.3 26.8±6.7 - 10/15 (67.0)
Verdellen et al. [56] ERP (21) 26.2±7.6 17.6±7.6 Effect size: 1.42 ERP=HRT 12/21 (57.0)
HRT (22) 24.1±7.2 19.7±9.3 Effect size: 1.06 13/22 (59.0)
Wilhelm et al. [39] HRT (16) 30.5±7.13 19.8±7.58 Effect size: 1.50 HRT>SP 10/16 (63.0)
SP (13) 26.6±7.78 26.9±9.19 Effect size: -0.03 11/13 (85.0)

Data are presented as n (%), mean (range), or mean±standard deviation. CBIT: Comprehensive Behavioral Intervention for Tics, ERP: exposure and response prevention, HRT: habit reversal training, SP: supportive psychotherapy, TSGS: Tourette Syndrome Global Scale, YGTSS: Yale Global Tic Severity Scale

J Korean Acad Child Adolesc Psychiatry 2021;32:51-62 https://doi.org/10.5765/jkacap.200042
© 2021 J Korean Acad Child Adolesc Psychiatry