p-Value

OR

CI 95%

Age

<0.001

2.21

1.64 - 2.98

Number of nodes

<0.001

0.22

0.18 - 0.28

Metastasic nodes

0.579

Location

<0.001

0.49

0.36 - 0.67

Injection method

<0.001

1.52

1.10 - 2.10