Functional lumen imaging probe use in a high-volume practice: Practical and technical implications

Table 5 Mean values of distensibility index, diameter and cross sectional area by distention volume, mean ± SD

Distention volume (mL)	Balloon used
	EF-322	EF-325
DI (mm2/mmHg)
30	1.93 ± 1.18a	2.66 ± 2.24
40	2.32 ± 1.65a	3.17 ± 2.83b
50	3.05 ± 2.27a	3.27 ± 2.41b
60	3.79 ± 2.58a
70	4.03 ± 2.25a
Diameter (mm)c
30	6.07 ± 1.62	8.01 ± 2.51
40	7.23 ± 2.42	10.58 ± 3.15
50	9.29 ± 3.20	13.53 ± 4.13
60	11.92 ± 3.36
70	14.84 ± 3.45
CSA (mm2)c
30	30.97 ± 18.24	55.26 ± 35.13
40	45.71 ± 30.82	95.57 ± 53.83
50	75.78 ± 48.13	157.19 ± 86.11
60	120.18 ± 61.24
70	182.75 ± 75.45

^aP < 0.02, indicates within balloon group differences significant in EF-322.

^bP = 0.55, indicates in EF-325 not different at 40 and 50 mL.

^cP < 0.01, indicates within balloon group differences significant in both groups.

DI: Distensibility index; CSA: Cross sectional area.