. 2022 Jan 6;37(4):e24. doi: 10.3346/jkms.2022.37.e24

Table 3. Rates of endoscopic procedures according to hospital classification based on 2017 claims data.

Medical institutions	Diagnostic EGD			Therapeutic EGD			Diagnostic colonoscopy			Therapeutic colonoscopy
Medical institutions	No. of endoscopic procedures	Bleeding^a	Perforation^a	No. of endoscopic procedures	Bleeding^a	Perforation^a	No. of endoscopic procedures	Bleeding^a	Perforation^a	No. of endoscopic procedures	Bleeding^a	Perforation^a
Clinics	1,064,738	0.170	0.034	5,104	4.898	0.588	635,164	1.294	0	398,581	2.579	0.038
Hospitals	276,591	0.662	0.051	1,840	22.283	6.522	253,392	0.884	0.036	135,395	4.010	0.074
General hospitals	628,347	3.983	0.331	15,179	41.636	8.696	344,106	2.624	0.087	163,243	4.080	0.239
Tertiary hospitals	444,968	5.715	0.649	20,440	31.556	5.577	175,928	4.746	2.296	65,145	7.307	0.553
Outpatient	2,077,760	0.275	0.033	8,283	2.294	0.483	1,278,621	1.074	0.018	647,949	1.463	0.022
Inpatient	336,884	14.367	1.419	34,280	38.623	7.497	129,960	10.856	0.523	114,415	15.426	0.752
Total	2,414,644	2.241	0.227	42,563	31.553	6.132	1,408,509	1.976	0.065	762,364	3.559	0.131

EGD = esophagogastroduodenoscopy.

^aRate per 1,000 cases.