Characteristics | Patients (No.) | PART1 level | χ2 | P value | |
---|---|---|---|---|---|
Low | High | ||||
Age (years) | Â | Â | Â | 1.289 | 0.256 |
 < 60 | 16 | 10 | 6 |  |  |
 ≥ 60 | 29 | 13 | 16 |  |  |
Gender | Â | Â | Â | 1.412 | 0.235 |
 Male | 31 | 14 | 17 |  |  |
 Female | 14 | 9 | 5 |  |  |
Tumor size (cm) | Â | Â | Â | 8.213 | 0.004 |
 < 3 | 13 | 11 | 2 |  |  |
 ≥ 3 | 32 | 12 | 20 |  |  |
Differentiation | Â | Â | Â | 0.657 | 0.720 |
 Well | 11 | 5 | 6 |  |  |
 Moderate | 17 | 10 | 7 |  |  |
 Poor | 17 | 8 | 9 |  |  |
T classification | Â | Â | Â | 13.096 | 0.001 |
 T1 | 8 | 5 | 3 |  |  |
 T2 | 22 | 16 | 6 |  |  |
 T3 | 15 | 2 | 13 |  |  |
Lymph node metastasis | Â | Â | Â | 1.585 | 0.208 |
 No | 12 | 8 | 4 |  |  |
 Yes | 33 | 15 | 18 |  |  |
Vascular invasion | Â | Â | Â | 9.911 | 0.02 |
 No | 21 | 16 | 5 |  |  |
 Yes | 24 | 7 | 17 |  |  |
Clinical stage | Â | Â | Â | 11.428 | 0.003 |
 I | 9 | 8 | 1 |  |  |
 II | 16 | 10 | 6 |  |  |
 III | 20 | 5 | 15 |  |  |