Table 2.
Overview and univariate analysis of surgical data and surgery-related outcomes
| Surgery-related factors | N (%) (N = 60) | Log-rank P value (with OS) |
Log-rank P value (with PFS) |
|---|---|---|---|
| Type of surgical method | 0.981 | 0.562 | |
| Open surgery | 41(68.3%) | ||
| Laparoscopic surgery | 19(31.7%) | ||
| Scope of lymph node dissection | – | – | |
| D1 + lymphadenectomy | 3(5.0%) | ||
| D2 lymphadenectomy | 57(95.0%) | ||
| Marginal condition | – | – | |
| Negative | 59(98.3%) | ||
| Positive | 1(1.7%) | ||
| Lymph node metastasis | 0.564 | 0.243 | |
| Positive | 20(33.3%) | ||
| Negative | 40(66.7%) | ||
| TRG grade | 0.070 | 0.100 | |
| Grade 0 | 8(13.3%) | ||
| Grade 1 | 20(33.3%) | ||
| Grade 2 | 26(43.4%) | ||
| Grade 3 | 6(10%) | ||
| Postoperative pathologic stage | 0.000 | 0.000 | |
| Stage 0–II | 55(91.7%) | ||
| Stage III–IV | 5(8.3%) | ||
| Postoperative complications | 0.438 | 0.095 | |
| Anastomotic fistula | 6(10%) | ||
| Haemorrhage | 4(6.7%) | ||
| Infection | 7(11.7%) | ||
| No severe complications | 43(71.6%) |
TRG: tumour regression grade