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Table 3 Multivariable analysis of variables potentially related to overall survival (OS) in 33 cases of feline non-ocular melanocytic tumors with available follow-up information

From: Evaluation of Ki-67 expression in feline non-ocular melanocytic tumours

Variables

Hazard ratio

95% CI

P

Mucosal location

2.26

0.71–7.19

0.165

Largest diameter > 1.3 cma

3.46

0.7–17.06

0.128

Spindle-, balloon cell and signet ring histotypes

3.48

1.04–11.57

0.042*

Pigmentation < 50%

1.69

0.09–32.56

0.730

Mitotic count >5b

6.77

0.36–128.02

0.202

Ki-67 index > 20%b

0.14

0.01–2.05

0.152

Lack of treatment

4.22

1.18–15.05

0.027*

  1. CI confidence interval
  2. *Significant
  3. aMedian value
  4. bcutoff value based on data analysis and canine melanoma literature
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BMC Veterinary Research

ISSN: 1746-6148

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