| Total No | CA12 expression | P* | |
---|---|---|---|---|
 |  | Negative | Positive |  |
Age | Â | Â | Â | Â |
   ≤ 40 years | 30 | 11 | 19 | 0.02 |
   >40 years | 153 | 91 | 62 |  |
Histology | Â | Â | Â | Â |
   SCC | 167 | 89 | 78 | 0.03 |
   AD | 16 | 13 | 3 |  |
Differentiation | Â | Â | Â | Â |
   WD | 28 | 12 | 16 | 0.02 |
   MD | 110 | 57 | 53 |  |
   PD | 35 | 27 | 8 |  |
Size of tumor | Â | Â | Â | Â |
   ≤ 4 cm | 76 | 46 | 30 | 0.31 |
   > 4 cm | 107 | 56 | 51 |  |
Nodal status | Â | Â | Â | Â |
   Positive | 105 | 61 | 44 | 0.46 |
   Negative | 78 | 41 | 37 |  |
FIGO stage | Â | Â | Â | Â |
   I~IIB | 139 | 80 | 59 | 0.68 |
   IIIA~IVA | 32 | 16 | 16 |  |
   IVB | 12 | 6 | 6 |  |
Smoking†|  |  |  |  |
   No | 172 | 98 | 74 | 0.18 |
   Yes | 11 | 4 | 7 |  |