Depth of colorectal wall involvement (52 patients) | N (%) | ||
---|---|---|---|
Serosal layer | 13 (25%) | Â | |
Muscular layer | 35 (67.3%) | Â | |
Mucosal layer | 4 (7.7%) | Â | |
Multiple regression report | |||
Dependent variable | Independent variable | T value | Prob level |
Depth of colorectal wall involvement | n colorectal resections >1 | −0.274 | n.s. |
total colectomy | 0.341 | n.s. | |
PCI >18 | 3.709 | 0.0005 | |
Lymph node metastases | 2.990 | 0.004 | |
Lymph node site and status (52 patients) | N (%) | ||
N0 | 26 (50%) | ||
N+ locoregional lymph nodes (A) | 4 (7.7%) | ||
N+ mesenteric lymph nodes (B) | 16 (30.8%) | ||
A + B | 6 (11.5%) | ||
Mesenteric lymph node status and possible predictive factors (52 patients) | Mesenteric nodes | ||
 |  | node positive | node negative |
 |  | n° patients | n° patients |
Depth of colorectal wall involvement (P = ns) | Â | Â | |
Serosal layer | 6 | 7 | |
Muscular and mucosal layers | 16 | 23 | |
Number of colorectal resections (P <0.01) | Â | Â | |
   Single resection | 7 | 21 | |
   Double resection | 5 | 1 | |
   Total colectomy | 10 | 8 | |
Locoregional lymph node status (P = ns) | Â | Â | |
   Positive | 6 | 4 | |
   Negative | 16 | 26 | |
Peritoneal cancer index (P = ns) | Â | Â | |
   PCI < 18 | 7 | 15 | |
   PCI ≥ 18 | 15 | 15 |