Table 4.

Anesthetic and treatment outcomes of endoscopic submucosal dissection

	Group E	Group O	P value
Treatment outcome
Procedure time (min)	105.4 ± 70.4	106.5 ± 64.4	0.89
En bloc resection	195 (99.5%)	100 (99.0%)	1.00
Delayed hemorrhage	10 (5.1%)	1 (1.0%)	0.11
Perforation	3 (1.5%)	3 (3.0%)	0.41
Mortality	0 (0%)	0 (0%)	1.00
Anesthetic outcome
Anesthesia time (min)	138.3 ± 78.1	148.4 ± 68.8	0.27
Intubation case	0 (0%)	1 (1.0%)	0.34
Desaturation	25 (12.8%)	4 (4.0%)	0.02
Hypotension	26 (13.3%)	8 (7.9%)	0.25
Bradycardia	8 (4.1%)	3 (3.0%)	0.76
Recovery time (min)a	180 (100–360)	90 (0–180)	<0.001
Aspiration pneumonia	2 (1.0%)	2 (2.0%)	0.61
Economic outcome
Hospitalization period (day)	11.3 ± 5.0	10.3 ± 4.6	0.09
Cost of hospitalization (1,000yen)	583.8 ± 273.1	649.4 ± 160.1	0.03

Group E: patients who underwent endoscopic submucosal dissection in the endoscopy room, Group O: patients who underwent endoscopic submucosal dissection in the operation room

^aMedian [interquartile range]; other values are mean ± standard deviation or n (%)