표 6. | Table 6. 사전·사후 PAS 결과 | Reasult of aerodynamic evaluation (PAS) pre-test and post-test

Parameter	Pre-test	Post-test	t-value	p-value
FVC	2.873 (.905)	3.682 (.746)	–3.379	.001**
PHOT	11.762 (5.584)	17.837 (5.584)	–3.582	.000***
MEAF	0.135 (.086)	0.127 (.086)	–.101	.920
MPAP	11.387 (3.319)	11.115 (3.319)	–.336	.737
AEFF	405.740 (818.425)	651.193 (1,385.693)	–1.867	.062

p<.01,
p<.001.
FVC, expiratory volume; PHOT, phonation time; MEAF, mean expiratory airflow; MPAP, mean peak air pressure; AEFF, aerodynamic efficiency.