Table 4 Postoperative recurrence of 141 rectal cancer patients with or without pathological LPNM before and after matching
Variables | Original cohort | Matched cohort | ||||
|---|---|---|---|---|---|---|
LPNM (n = 29) | Non-LPNM (n = 112) | P | LPNM (n = 29) | Non-LPNM (n = 29) | P | |
Overall recurrence (%) | 15 (51.7) | 24 (21.4) | 0.001 | 15 (51.7) | 8 (27.6) | 0.060 |
Local recurrence | 8 (27.6) | 5 (4.5) | 0.001 | 8 (27.6) | 1 (3.4) | 0.025 |
Distant metastasis | 8 (27.6) | 19 (17.0) | 0.195 | 8 (27.6) | 7 (24.1) | 0.764 |
Liver metastasis | 5 (17.2) | 11 (9.8) | 5 (17.2) | 5 (17.2) | ||
Lung metastasis | 1 (3.4) | 11 (9.8) | 1 (3.4) | 5 (17.2) | ||
Bone metastasis | 2 (6.9) | 2 (1.8) | 2 (6.9) | 2 (6.9) | ||
Peritoneal metastasis | 1 (3.4) | 0 (0) | 1 (3.4) | 0 (0) | ||
Others | 0 (0) | 2 (1.8) | 0 (0) | 0 (0) | ||