Table 1.
Clinicopathological characteristics of patients and tumors from two groups
| NM group, n = 58 | CM group, n = 58 | P value | |
| Age in yr | 60.34 ± 1.089 | 60.26 ± 1.029 | 0.954 |
| Gender | 0.221 | ||
| Male | 38 | 44 | |
| Female | 20 | 14 | |
| Tumor location | 0.884 | ||
| Upper | 12 | 10 | |
| Middle | 37 | 38 | |
| Lower | 9 | 10 | |
| Depth of tumor invasion | 0.616 | ||
| pT1 | 22 | 17 | |
| pT2 | 7 | 7 | |
| pT3 | 28 | 31 | |
| pT4 | 1 | 3 | |
| Lymph node metastasis | 0.484 | ||
| pN0 | 32 | 35 | |
| pN1 | 18 | 16 | |
| pN2 | 4 | 6 | |
| pN3 | 4 | 1 | |
| AJCC pathological stage | 0.326 | ||
| I | 21 | 18 | |
| II | 14 | 21 | |
| III | 19 | 18 | |
| IV | 4 | 1 | |
| Preoperative neoadjuvant chemotherapy/radiotherapy | 0.242 | ||
| Yes | 2 | 5 | |
| No | 56 | 53 |
CM: Conventional method; NM: Novel method.