Prognostic factors | Variables | Five-year survival | P* (univariate analysis) | P** (multivariate analysis) |
---|---|---|---|---|
Patients’ age (years) | <62 | 52.2% | 0.49 | 0.79 |
≥62 | 41.2% | |||
Ascites | Absent | 39.2% | 0.97 | 0.08 |
Present | 47.5% | |||
Obstruction | Absent | 56.7% | 0.64 | 0.59 |
Present | 25.4% | |||
Cytoreduction | Primary | 47.2% | 0.98 | 0.73 |
Secondary | 37.4% | |||
Peritoneal cancer index | <18 | 53.5% | 0.08 | 0.17 |
≥18 | 33.6% | |||
Completeness of cytoreduction score | CC-0 | 55% | 0.002 | 0.003 |
CC 1-3 | 25.7% | |||
Depth of colorectal wall involvement | Serosal layer | 72.7% | 0.037 | 0.004 |
Muscular layer | 33.1% | |||
Mucosa layer | 0% | |||
Lymph node status | N0 | 41.3% | 0.67 | 0.76 |
N+ (A) | 75% | |||
N+ (B) | 42.5% | |||
 | N+ (A + B) | 27.7% |  |  |