Table 3.

Sub-analysis of EUS image quality and procedure time according to the operator’s experience with EUS procedures.

Evaluated Items	Jelly-Filling Method (n = 13)	Water-Filling Method (n = 17)	p-Value
Expert, n	7	9
EUS image quality (points)	3 (3–4)	2 (2–3)	0.007
Procedure time (min)	5 (3–7)	4 (2–7)	0.329
Nonexpert, n	6	8
EUS image quality (points)	3 (3–4)	2 (1–3)	0.003
Procedure time (min)	8 (6–10)	4 (3–10)	0.036

Data are shown as the median (range).