TABLE 2.
Operative characteristics and pathology (n = 282)
| Operative time (min) (Median, range) (n = 228) | 483.5 (46–1,402) |
| Estimated blood loss (ml) (Median, range) (n = 250) | 800 (0–14,000) |
| Simplified peritoneal cancer index (SPCI) (median, range) (n = 279) | 14 (0–21) |
| HIPEC (n, %) | 251 (89) |
| HIPEC temperature (median, range) (n = 191) | 42 (38–43) |
| HIPEC duration (median, range) (n = 233) | 100 (60–143) |
| Completeness of cytoreduction (n, %) | |
| CC-0 | 139 (49.3) |
| CC-1 | 91 (32.3) |
| CC-2 | 28 (9.9) |
| CC-3 | 21 (7.5) |
| Unknown | 3 (1.1) |
| Surgical resection (n, %) | |
| Peritoneal stripping | 213 (75.5) |
| Omentectomy | 263 (93.3) |
| Distal pancreatectomy | 27 (9.6) |
| Splenectomy | 132 (46.8) |
| Diaphragmatic resection | 80 (28.4) |
| Hepatectomy | 25 (8.9) |
| Cholecystectomy | 84 (29.8) |
| Low anterior resection | 49 (17.4) |
| Partial colectomy | 28 (9.9) |
| Total abdominal colectomy | 16 (5.7) |
| Small bowel resection | 82 (29.1) |
| Partial gastrectomy | 26 (9.2) |
| Total gastrectomy | 1 (0.4) |
| Ureterectomy | 5 (1.8) |
| Ureterolysis | 100 (35.5) |
| Hysterectomy | 41 (14.5) |
| Cystectomy | 8 (2.8) |
| Ostomy | 78 (27.7) |
| No. of anastomoses (median, range) (n = 275) | 1 (0–5) |
| Ronnett’s histologic classification (n, %) | |
| DPAM | 71 (25.2) |
| PMCA | 210 (74.5) |
| Unknown | 1 (0.4) |
| Tumor grade (n, %) | |
| Low grade | 180 (63.8) |
| High grade | 100 (35.5) |
| Unknown | 2 (0.7) |
| Signet cells present (n, %) | 37 (13.1) |
| Positive lymph node status (n, %) (n = 201) | 47 (23.4) |
| K-ras mutation present (n, %) (n = 111) | 68 (61.3) |
| Fractional mutation rate (FMR) (n = 88) | |
| <25% | 25 (28.4) |
| ≥25% | 63 (71.6) |
FMR number of mutated markers divided by the total number of informative markers, HIPEC hyperthermic intraperitoneal chemoperfusion