
Relative risk (95% CI)

P value*


CD44 expression
  
Negative (n=112)

Reference
 
Positive (n=178)

1.57(1.052.36)

0.029

CD24 expression
  
Negative (n=173)

Reference
 
Positive (n=117)

1.41(0.982.02)

0.065

TNM staging
  
I (n=23)

Reference
 
II (n=47)

1.69(0.466.24)

0.433

III (n=187)

4.32(1.3314.01)

0.015

IV (n=33)

14.53(4.2749.41)

<0.001

Lymphvascular invasion
  
Absent (n=134)

Reference
 
Present (n=156)

1.60(1.092.35)

0.016

 *Cox proportional hazards model, adjusted for gender, age,venous infiltration, TNM staging.