표 4. | Table 4. MTD 환자의 음향학적, 청지각적 측정치의 상관 | Pearson correlation(r) between acoustic and perceptual measures

Task	Acoustic measures	G	R	B	A	S
Sustained vowel /a/	CPP	–.483*	–.450*	–.646***	–.286	–.011
	CPP_F0	.093	.149	.178	.048	.055
	CSID	.691***	.484*	.541**	–.101	.204
Connected speech	CPP	–.462*	–.386*	–.433*	–.350	.290
	CPP_F0	–.056	–.174	.118	–.114	.137
	CSID	.572**	.260	.355	–.094	–.110

p<.05,
p<.01,
p<.001.
F0, fundamental frequency; G, grade; R, rough; B, breathy; A, asthenic; S, strained.