Table 3. Peritoneal recurrence according to the clinicopathological factors.
| Variables | Peritoneal recurrence (number of patients, %) | ||
|---|---|---|---|
| No | Yes | P value | |
| Age | |||
| <60 | 90 (79.6) | 23 (20.4) | 0.118 |
| ≥60 | 73 (88.0) | 10 (12.0) | |
| Sex | |||
| Male | 57 (43.5) | 74 (56.5) | 0.254 |
| Female | 22 (34.9) | 41 (65.1) | |
| Grade/differentiation | |||
| Well/moderately differentiated | 51 (87.9) | 7 (12.1) | 0.239 |
| Poorly differentiated | 112 (81.0) | 26 (19.0) | |
| Histology | |||
| Signet ring cell | 140 (85.9) | 23 (14.1) | 0.301 |
| Non-signet ring cell | 26 (78.8) | 7 (21.2) | |
| Lauren classification | |||
| Intestinal | 99 (86.8) | 15 (13.2) | 0.096 |
| Diffuse | 64 (78.0) | 18 (22.0) | |
| Primary location | |||
| Upper 1/3 | 32 (84.2) | 6 (15.8) | 0.451 |
| Middle & lower 1/3 | 130 (83.3) | 26 (16.7) | |
| Whole | 1 (50.0) | 1 (50.0) | |
| Lymphovascular invasion | |||
| Negative | 13 (86.7) | 2 (13.3) | 0.705 |
| Positive | 145 (82.9) | 30 (17.1) | |
| Perineural invasion | |||
| Negative | 67 (87.0) | 10 (13.0) | 0.439 |
| Positive | 90 (80.4) | 22 (19.6) | |
| pT stage | |||
| T1 | 3 (100.0) | 0 (0.0) | 0.138 |
| T2 | 21 (95.5) | 1 (4.5) | |
| T3 | 66 (85.7) | 11 (14.3) | |
| T4 | 73 (77.4) | 21 (22.6) | |
| pN stage | |||
| N0 | 16 (80.0) | 4 (20.0) | 0.009* |
| N1 | 44 (97.8) | 1 (2.2) | |
| N2 | 57 (83.6) | 11 (16.4) | |
| N3 | 46 (73.0) | 17 (27.0) | |
*, Statistically significant (P<0.05).