Revisiting the structure of the Yale Global Tic Severity Scale (YGTSS) in a sample of Chinese children with tic disorders

Table 2 Correlation Analysis of YGTSS Scores with PUTs and CY-BOCS

	Motor Total	Phonic Total	Motor & photic Total	Impairment total	YGTSS Total	PUTS Total	Compulsive Behaviors	Obsessive Thoughts	CY-BOCS Total
Motor Total	–	−.112*	.530**	.161**	.471**	.032	−.019	.095	.051
Phonic Total	–	–	.783**	.139**	.648**	.056	.103*	.124*	.135**
Motor and photic Total	–	–	–	.220**	.848**	.068	.077	.165**	.147**
Impairment total	–	–	–	–	.701**	.126*	.159**	.175**	.219**
YGTSS Total	–	–	–	–	–	.122*	.145**	.212**	.225**
PUTS Total	–	–	–	–	–	–	.035	.154**	.112*
Compulsive Behaviors	–	–	–	–	–	–	–	.191**	.822**
Obsessive Thoughts	–	–	–	–	–	–	–	–	.707**

Note: Min minimum, Max Maximum, SD Standard Deviation, DOI Duration of Illness, YGTSS Motor Score Yale Global Tic Severity Scale Total Motor Tic Score, YGTSS Phonic Score Yale Global Tic Severity Scale Total Phonic Tic Score, YGTSS Total Score Yale Global Tic Severity Scale Global Severity Score, Impairment Score Yale Global Tic Severity Scale Overall Impairment Score, PUTS Total Premonitory Urge for Tics Scale Total Score, CY-BOCS Total Children’s Yale-Brown Obsessive Compulsive Scale Total Score; *: p < 0.05. **: p < 0.01. Pearson r correlations are at the p < 0.05 level

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