Table 3. Correlation between treatment duration, and PPCS of DTSM, HT, and TOA (N=102).

Categories	Treatment duration	PPCS for DTSM (%)	PPCS forHT (angle)	PPCS forTOA (score)
Treatment duration	1
PPCS for DTSM (%)	−0.263**	1
PPCS for HT (angle)	0.203*	0.020	1
PPCS for TOA (score)	−0.276**	0.078	−0.515***	1

PPCS: pre-post test change scores; DTSM: difference in the thicknesses of the two sternocleidomastoid muscles; HT: head tilt; TOA: torticollis overall assessment.*p<0.05, **p<0.01, ***p<0.001