. 2010 Apr 13;38(6):777–788. doi: 10.1007/s10802-010-9410-5

Table 4.

Correlations Between Cluster Scores and Clinical Characteristics

Measure	Cluster 1: Predominantly complex tics	Cluster 2: Simple head/face tics	Cluster 3: Simple body tics	Cluster 4: Simple vocal/facial tics
PUTS total score^a	0.401*	0.162	0.130	−0.091
CYBOCS total score^a	0.313**	0.021	0.292*	0.033
YGTSS impairment^a	0.575***	0.381***	0.281**	0.193
CBCL parent T-score
Internalizing	0.381***	0.141	0.205	0.198
Externalizing	0.358***	0.135	0.147	0.208
Activities	−0.231	−0.326**	−0.376***	0.018
Social	−0.298*	−0.061	−0.129	−0.205
School	−0.115	−0.285*	−0.161	−0.006
Total competence	−0.275*	−0.201	−0.301*	−0.102
Withdrawal	0.259*	0.164	0.108	−0.012
Somatic complaints	0.436***	0.183	0.308*	0.326**
Anxiety/Depression	0.426***	0.026	0.159	0.154
Social problems	0.336**	0.259*	0.127	0.065
Thought problems	0.247*	−0.018	0.018	0.120
Attention problems	0.354***	0.249*	0.171	0.213
Delinquent behavior	0.189	0.127	0.216	0.128
Aggressive behavior	0.327**	0.060	0.112	0.144
School performance^a	−0.192	−0.343**	−0.085	0.004
Duration of illness in years^a	0.217	0.107	−0.046	0.188
Number of concurrent diagnoses^a	0.333***	0.085	0.075	0.163

CBCL Child Behavior Checklist; CYBOCS Child Yale-Brown OC Scale; PUTS Premonitory Urge for Tics Scale; YGTSS Yale Global Tic Severity Scale

^aCorrelations partial participant age. No correction was applied for multiple statistical testing

*p < 0.05, **p < 0.01, ***p < 0.005