Table 4.

Multivariate analysis of lymph node harvested

Variable	Coefficient	Standard Error	95% confidence interval		P value
			Lower Limit	Upper Limit
Intercept	18.651	1.1618	16.374	20.929	0.000
Group
Non-injection	−2.913	1.1687	−5.203	−0.622	0.013
Pre-neoadjuvant injection	3.837	1.4123	1.069	6.605	0.007
Tumor size
≤ 2 cm	−0.681	0.9046	−2.454	1.092	0.452
Distal margin
≤ 1.5 cm	−1.749	0.8997	−3.512	0.015	0.052
Scale	21.390	2.8974	16.402	27.894