Table 5.

Multiple regression analysis results

Variables	Significant factors affecting the variables	p value	Confidence interval	Adjusted R2 value (%)
Number of nodal stations	Number of lines	0.064	− 5.3 to − 0.23	26.5
	LS3 in lower quadrants	0.046	0.03–2.44
	LS3 score in lower quadrants	0.005	0.21–1.12
Overall nodal positivity	No of cycles	0.027	− 0.07 to − 0.004	18.7
	Rectal involvement score	0.033	− 0.208 to − 0.009
	LS3 score in lower quadrants	0.081	− 0.4 to 0.024
Perinodal extension	LS3 score in lower quadrant	0.009	− 0.930 to − 0.136	29.1
	No. of lines	0.068	− 0.69 to 0.025
	Total PCI in lower quadrants	0.028	0.016 to 0.266