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Table 7 Comparison of 5-year CCSS of patients with SLNM and pII stage CC

From: Solitary lymph node metastasis is a distinct subset of colon cancer associated with good survival: a retrospective study of surveillance, epidemiology, and end-results population-based data

Variable

HR (95% CI)

P

HR (95% CI)

P

HR (95% CI)

 

pTNM stage

 

<0.001

 

<0.001

 

<0.001

 IIA

Reference

 

0.723 (0.688-0.759)

<0.001

0.271 (0.252-0.290)

<0.001

 IIB

1.384 (1.317-1.453)

<0.001

Reference

 

0.374 (0.350-0.401)

<0.001

 IIC

3.695 (3.443-3.966)

<0.001

2.671 (2.495-2.859)

<0.001

Reference

 

 T1-2N1a

0.937 (0.838-1.049)

0.259

0.677 (0.606-0.757)

<0.001

0.254 (0.224-0.287)

<0.001

 T3-4aN1a

2.221 (2.109-2.339)

<0.001

1.605 (1.529-1.685)

<0.001

0.601 (0.560-0.645)

<0.001

 T4bN1a

6.506 (5.886-7.192)

<0.001

4.703 (4.262-5.189)

<0.001

1.761 (1.576-1.966)

<0.001

 T1-2N1b

1.344 (1.189-1.518)

<0.001

0.971 (0.861-1.096)

0.634

0.364 (0.319-0.414)

<0.001

 T3-4aN1b

3.060 (2.915-3.211)

<0.001

2.212 (2.115-2.312)

<0.001

0.828 (0.774-0.886)

<0.001

 T4bN1b

8.011 (7.328-8.757)

<0.001

5.790 (5.307-6.317)

<0.001

2.168 (1.961-2.397)

<0.001

  1. P values refer to comparison between each group and the reference group and were adjusted for year of diagnosis, age, sex, pathological grading, histological type of tumor, and number of LNs dissected as covariates.