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Table 2 Univariate and multivariate analysis for prognostic indicators

From: Brain metastases in patients with neuroendocrine neoplasms: risk factors and outcome

Variable

univariate

multivariate

HR

95% CI

p-value

HR

95% CI

p-value

Gender

 female

1

  

1

  

 male

2.7

1.2–5.9

*0.013

1.3

0.5–3.8

0.57

Localization

 lung

1

  

1

  

 non-lung

1.1

0.6–2.3

0.74

1.4

0.6–3.4

0.46

Grade

 NET

1

  

1

  

 NEC

2.7

1.2–6.2

*0.022

4.2

1.1–16.1

*0.038

Ki-67

  < 55%

1

  

1

  

  > 55%

1.5

0.6–3.4

0.39

0.9

0.3–2.8

0.94

Age

  < 60

1

  

1

  

  ≥ 60

2.1

1.0–4.3

*0.041

3.0

1.2–7.5

*0.016

Metastases

 LN +/− liver

1

  

1

  

 LN +/− liver +

0.5

0.2–1.2

0.10

1.5

0.5–4.6

0.47

 other

      

No. of BM

  ≤ 2

1

  

1

  

  > 2

0.9

0.4–2.0

0.79

0.7

0.3–1.8

0.51

  1. Abbreviations: NET neuroendocrine tumors; NEC neuroendocrine carcinomas; BM brain metastases; HR hazard ratio; CI confidence interval; LN lymph nodes
  2. *P<0.05