표 6 / Table 6 VFSS 전후 WVQ 유무 집단의 RM-ANOVA 결과 / Result of RM-ANOVA between groups with/without WVQ according to pre-and post-VFSS

	Factor	df	F	p $
Intensity	Time	1	19.01	0.000**
	Time×group	1	6.09	0.015*
	Group	1	1.02	0.314
F0(male)	Time	1	0.026	0.873
	Time×group	1	0.120	0.730
	Group	1	0.299	0.586
F0(female)	Time	1	0.32	0.577
	Time×group	1	0.74	0.399
	Group	1	0.01	0.899
F0_SD	Time	1	4.81	0.030*
	Time×group	1	4.34	0.040*
	Group	1	5.41	0.022*
Jitter	Time	1	1.86	0.172
	Time×group	1	14.33	0.000**
	Group	1	45.62	0.000**
RAP	Time	1	1.65	0.20
	Time×group	1	13.89	0.000**
	Group	1	45.03	0.000**
Shimmer	Time	1	3.61	0.060
	Time×group	1	13.92	0.000**
	Group	1	24.56	0.000**
APQ	Time	1	1.78	0.185
	Time×group	1	10.29	0.002**
	Group	1	6.19	0.014*
HNR	Time	1	2.94	0.089
	Time×group	1	25.28	0.000**
	Group	1	21.99	0.000**
NHR	Time	1	2.97	0.088
	Time×group	1	24.00	0.000**
	Group	1	42.39	0.000**
FUF	Time	1	4.81	0.030*
	Time×group	1	8.18	0.005**
	Group	1	26.66	0.000**
DVB	Time	1	3.96	0.049*
	Time×group	1	6.96	0.010**
	Group	1	26.65	0.000**
CPP	Time	1	0.61	0.437
	Time×group	1	23.99	0.000**
	Group	1	23.73	0.000**

^$ RM-ANOVA
^* p<0.05, ^** p<0.01
VFSS, videofluoroscopic swallowing study; F0, fundamental frequency; SD, standard deviation; RAP, relative average perturbation; APQ, amplitude perturbation quotient; HNR, Harmonics-to-noise ratio; NHR, Noise-to-harmonics ratio; FUF, fraction of locally unvoiced frames; DVB, degree of voiced breaks; CPP, cepstral prominence peak