Table 4.

Multivariate analysis of risk factors for positive resection margin of R-NETs

Factors	OR	95% CI	p-value
Lesion size group, n (%)
< 8 mm	1	Reference
≥ 8 mm	3.419	1.295–9.026	0.013
Location group, n (%)
Upper rectum	1	Reference
Middle rectum	0.635	0.061–6.639	0.704
Lower rectum	0.410	0.036–4.700	0.474
Operation, n (%)
EMR-c	1	Reference
ESD	2.010	0.759–5.323	0.160

OR odds ratio, 95% CI 95% confidence interval, EMR-c endoscopic mucosal resection with a cap, ESD endoscopic submucosal dissection