Variations | Number (%) | No of patients | P | |
---|---|---|---|---|
CTC-positive CTC-negative | ||||
Gender | Â | Â | Â | Â |
 Male | 16 | 13 | 3 | 0.280 |
 Female | 9 | 9 | 0 |  |
Age | Â | Â | Â | Â |
 <60 | 8 | 7 | 1 | 1.000 |
 ≥60 | 17 | 15 | 2 |  |
Tumor stage | Â | Â | Â | Â |
 I-II | 13 | 12 | 1 | 0.593 |
 III-IV | 12 | 10 | 2 |  |
Tumor size | Â | Â | Â | Â |
 T1-T2 | 9 | 8 | 1 | 1.000 |
 T3-T4 | 16 | 14 | 2 |  |
Lymph nodes | Â | Â | Â | Â |
 N0 | 8 | 8 | 0 | 0.527 |
 N1 | 17 | 14 | 3 |  |
Metastasis | Â | Â | Â | Â |
 M0 | 19 | 18 | 1 | 0.133 |
 M1 | 6 | 4 | 2 |  |
CA19-9 | Â | Â | Â | Â |
 <200 U/ml | 12 | 11 | 1 | 1.000 |
 ≥200 U/ml | 13 | 11 | 2 |  |