| |
Serum CA 15–3 levels (mean ± SD)
|
p-Value
|
---|
Tumour size (cm)
|
<2
|
0.70 ± 0.67
|
n.s.
|
2-5
|
0.84 ± 0.45
|
n.s.
|
>5
|
1.03 ± 0.54
|
n.s.
|
Skin ulceration
|
Yes
|
0.54 ± 0.15
|
n.s.
|
No
|
0.91 ± 0.63
|
n.s.
|
Histopathology
|
Simple carcinoma
|
0.63 ± 0.40
|
n.s.
|
Complex carcinoma
|
0.78 ± 0.57
|
n.s.
|
Carcinosarcoma
|
1.50 ± 0.28
|
n.s.
|
Inflammation
|
Yes
|
0.64 ± 0.46
|
n.s.
|
No
|
0.90 ± 0.60
|
n.s.
|
Necrosis
|
Yes
|
0.80 ± 0.59
|
n.s.
|
No
|
0.80 ± 0.53
|
n.s.
|
Histological grade
|
Grade I
|
0.64 ± 0.36
|
n.s.
|
Grade II
|
1.21 ± 0.79
|
0.0019
|
Grade III
|
1.33 ± 0.32
|
0.0019
|
- Relation between tumour size, skin ulceration, histopathological diagnosis, inflammation, necrosis and histological grade of canine mammary cancer tissues and serum CA 15–3 levels. The Pearson correlation coefficient was applied using Prism version 5.00 software (GraphPad Software, USA).