Comparison of endoscopic submucosal dissection and transanal endoscopic microsurgery for stage 1 rectal neuroendocrine tumors

Table 2 Outcomes between endoscopic submucosal dissection and transanal endoscopic microsurgery groups, n (%)

Variables	Total (n = 128)			Matched set (n = 58)
	ESD (n = 84)	TEM (n = 44)	P value	ESD (n = 29)	TEM (n = 29)	P value
Hospital day, day, median (IQR)	6.0 (5.0-7.0)	9.0 (7.0-12.0)	< 0.001	5.5 (4.5-6.0)	10.0 (7.0-12.0)	< 0.001
Cost, kilo-CNY, median (IQR)	11.2 (9.6-12.6)	21.3 (17.4-26.7)	< 0.001	11.6 (9.8-12.6)	20.9 (17.0-25.1)	< 0.001
Anesthesia type
Awake	48 (57.1)	0 (0.0)	< 0.001	17 (58.6)	0 (0.0)	< 0.001
Venous sedation	36 (42.9)	0 (0.0)		12 (41.4)	0 (0.0)
Tracheal intubation	0 (0.0)	44 (100.0)		0 (0.0)	29 (100.0)
Adverse event	3 (3.6)	2 (4.5)	1.000	0 (0.0)	2 (6.9)	0.491
En bloc resection	84 (100.0)	44 (100.0)	/	29 (100.0)	29 (100.0)	/
R0 resection	73 (86.9)	43 (97.7)	0.057	24 (82.8)	28 (96.6)	0.194
Recurrence	0 (0.0)	1 (2.3)	0.348	0 (0.0)	1 (3.4)	1.000

ESD: Endoscopic submucosal dissection; TEM: Transanal endoscopic microsurgery; IQR: Interquartile range; CNY: China Yuan.