표 3. | Table 3. 경직형 뇌성마비 아동의 하위그룹별 말속도에 대한 사후분석결과 | Post hoc results of speech rate in children with spastic cerebral palsy by subgroups

	하위그룹	평균차	표준오차	p-value
NSMI-LCT	vs. NSMI-LCI	.15	.43	.989
	vs. SMI-LCT	2.12	.43	.001*
	vs. SMI-LCI	2.00	.39	.001*
NSMI-LCI	vs. SMI-LCT	1.97	.38	.001*
	vs. SMI-LCI	1.85	.34	.000*
SMI-LCT	vs. SMI-LCI	–.12	.34	.989

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