표 4. | Table 4. 경직형 뇌성마비 아동의 하위그룹별 조음속도에 대한 사후분석결과 | Post hoc results of articulation rate in children with spastic cerebral palsy by subgroups

	하위그룹	평균차	표준오차	p-value
NSMI-LCT	vs. NSMI-LCI	–.08	.48	.999
	vs. SMI-LCT	1.87	.48	.008*
	vs. SMI-LCI	1.77	.48	.010*
NSMI-LCI	vs. SMI-LCT	1.95	.42	.002*
	vs. SMI-LCI	1.65	.38	.003*
SMI-LCT	vs. SMI-LCI	–.30	.38	.891

p<.012.
NSMI, no speech motor involvement; SMI, speech motor involvement; LCT, age appropriate language, cognition abilities; LCI, impaired language, cognition abilities.