Table 6.

Distribution of medical resources according to the classification by procedural volume of ESD.

Medical resources	Procedural volume of ESD
	Very low (n = 131)	Low (n = 119)	High (n = 24)	Very high (n = 12)
Doctors	28.2 ± 25.9	140.4 ± 121.6	358.2 ± 108.5	765.3 ± 495.3
Specialists	24.4 ± 19.0	88.7 ± 60.0	201.2 ± 68.8	434.1 ± 270.6
Hospital beds	197.6 ± 128.1	429.6 ± 201.2	800.9 ± 177.3	1259.6 ± 573.1
Operating rooms	3.1 ± 2.3	7.6 ± 5.1	16.3 ± 7.8	33.3 ± 20.1

Values are mean ± standard deviation unless stated otherwise.

ESD endoscopic submucosal dissection.