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. 2016 Apr 30;22(2):231–239. doi: 10.5056/jnm15095

Table 1.

The Visuospatial Variables of High-resolution Manometry According to Bolus Volume

		Dry	2 mL	5 mL	10 mL	Drinking	Correlation

							r	P-value
VP	Max pressure (mmHg)	192.40 ± 83.95	217.84 ± 100.80	232.45 ± 107.66	242.92 ± 116.74	224.12 ± 94.73	0.142	0.156
	Area (mmHg · sec)^a	41.00 ± 25.55	46.25 ± 26.91	49.60 ± 32.80	61.10 ± 46.99	63.95 ± 42.99	0.238	0.016
	Rise time (sec)	0.20 ± 0.16	0.18 ± 0.12	0.15 ± 0.76	0.15 ± 0.08	0.23 ± 0.13	0.086	0.394
	Duration (sec)^a	0.33 ± 0.17	0.31 ± 0.15	0.37 ± 0.17	0.38 ± 0.20	0.47 ± 0.22	0.224	0.024
TB	Max pressure(mmHg)	144.94 ± 47.24	141.03 ± 30.43	142.14 ± 30.31	142.41 ± 33.37	189.66 ± 134.87	0.109	0.278
	Area (mmHg · sec)	51.90 ± 15.25	56.45 ± 21.13	53.00 ± 16.82	53.35 ± 16.20	47.10 ± 16.75	−0.099	0.325
	Rise time (sec)	0.27 ± 0.10	0.27 ± 0.10	0.26 ± 0.09	0.31 ± 0.11	0.26 ± 0.11	0.059	0.557
	Duration (sec)	0.55 ± 0.14	0.59 ± 0.16	0.57 ± 0.16	0.62 ± 0.18	0.56 ± 0.17	0.032	0.749
Low pharynx	Max pressure (mmHg)	450.8 ± 133.31	495.22 ± 163.29	486.58 ± 150.17	462.68 ± 147.19	447.31 ± 148.53	−0.030	0.762
UES	Pre-UES max pressure (mmHg)^a	268.25 ± 84.00	251.96 ± 87.54	240.58 ± 119.60	220.53 ± 98.18	205.86 ± 63.66	−0.248	0.012
	Post-UES max pressure (mmHg)	377.28 ± 129.41	457.21 ± 121.27	452.13 ± 126.20	443.10 ± 110.37	357.21 ± 145.88	−0.054	0.294
	Min pressure (mmHg)^a	−11.65 ± 9.10	−8.03 ± 4.40	−6.21 ± 5.43	−4.98 ± 6.30	−2.95 ± 16.01	0.294	0.003
	Activity time (sec)^a	0.67 ± 0.16	0.69 ± 0.14	0.69 ± 0.13	0.70 ± 0.10	0.75 ± 0.190	0.215	0.031
	Nadir duration (sec)^a	0.27 ± 0.09	0.33 ± 0.09	0.38 ± 0.10	0.37 ± 0.11	0.40 ± 0.10	0.427	< 0.001

^a

P < 0.05.

VP, velopharynx; TB, tongue base; UES, upper esophageal sphincter; Max, maximal; Min, minimal.