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Table 1 Multivariate analyses of associations between prognostic factors and patient outcome.

From: Evaluation of prognostic markers for canine mast cell tumors treated with vinblastine and prednisone

Variable

N

Median DFI*

DFI p-value

Median OS time#

OS time p-value

  

(months)

 

(months)

 

Histologic grade

     

Grade 2

18

14.1

0.022

21.5

0.01

Grade 3

10

7

 

9.2

 

KIT staining pattern+

     

Pattern 2

20

12.7

0.0022

19

0.0049

Pattern 3

6

6.7

 

10.8

 

c-KIT mutation

     

No

24

11

0.0413

17.4

0.0112

Yes

4

6.5

 

8.9

 
  1. *DFI: disease-free interval.
  2. #OS: overall survival.
  3. +Two KIT pattern 1 MCTs were excluded from statistical analyses.