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Table 6 Univariate binary logistic regression analysis of characteristics associated with long-term survival

From: Metastatic colorectal cancer prior to expanded RAS assessment: evidence from long-term outcome analysis of a real-life cohort within a dedicated colorectal cancer unit

 

Long-term survival

Variable

OR

95% CI

p

Gender

1.16

0.64–2.11

0.613

Age at metastasis ≤ 65 years (yes versus no)

2.28

1.25–4.15

0.007

Right-sided tumor versus other (left-sided and rectum)

0.52

0.26–1.02

0.058

Single site metastases versus multiple sites

1.89

1.03–3.48

0.039

KRASmutant (exon 2) versus wild-type

0.74

0.41–1.33

0.321

First-line therapy

Chemotherapy plus bevacizumab versus other

2.19

1.11–4.33

0.024

Surgical resection of primary tumor (yes versus no)

3.18

0.93–10.9

0.065

Surgical resection of metastasis (yes versus no)

5.30

2.80–10

< 0.001

Local non-surgical treatment of metastasis (yes versus no)

4.74

0.11–0.27

< 0.001

Adjuvant treatment (yes versus no)

1.46

0.80–2.69

0.217