Factors | p21(+) (n = 55) | p21(-) (n = 71) | P value |
---|---|---|---|
Age (years) | |||
<65 | 20 | 40 | 0.026 |
65≦ | 35 | 31 | |
Gender | |||
Male | 38 | 47 | 0.731 |
Female | 17 | 24 | |
Depth of invasion | |||
t1 | 33 | 35 | 0.231 |
t2,3,4 | 22 | 36 | |
Histology | |||
Differentiated | 35 | 39 | 0.325 |
Undifferentiated | 20 | 32 | |
Tumor size | |||
<3 cm | 23 | 22 | 0.03 |
3 cm≦ | 22 | 49 | |
Lymphatic invasion | |||
Negative | 26 | 23 | 0.089 |
Positive | 29 | 48 | |
Venous invasion | |||
Negative | 42 | 57 | 0.595 |
Positive | 13 | 14 |