Table 2 Results of univariable and multivariable Cox regression models for overall survival
N | Median OS | Univariable | Multivariable | ||||
|---|---|---|---|---|---|---|---|
Hazard ratio | p value | Hazard ratio | p value | ||||
Age (years) | 0.260 | ||||||
Gender | 0.712 | ||||||
BMI | 0.122 | ||||||
ASA | 2 | 15 | 12.2 (5.8-14.4) | 0.037 | 0.170 (-0.299-0.638) | 0.4730 | |
3 | 17 | 18.2 (15.5-27.9) | |||||
Synchronous PC | 0.999 | ||||||
Neo-adjuvant chemotherapy | No | 2 | 8.6 (3-14.2) | 0.054 | 0.443 (-0.562-1.281) | 0.3459 | |
Yes | 30 | 17 (12.5-24.9) | |||||
Duration of surgery (minutes) | 0.444 | ||||||
Intra-operative blood loss (ml) | 0.619 | ||||||
Total PCI score | 0.114 (0.018-0.212) | 0.020 | 0.750 (0.180-1.344) | 0.0104 | |||
Number of regions involved PC | 0.167 (0.005-0.340) | 0.042 | 1.290 (0.434-2.246) | 0.0029 | |||
Small bowel PCI score | 0.1511 | ||||||
Non-small bowel PCI score | 0.068 | 0.564 (0.088-1.226) | 0.0888 | ||||
PC on small bowel | No | 8 | 28.6 (14-36.6) | 0.098 | 0.545 (0.195-1.268) | 0.1453 | |
Yes | 24 | 14.3 (9.2-18.2) | |||||
Number of small bowel regions involved PC | 0.497 | ||||||
Number of non-small bowel regions involved PC | 0.078 | 0.910 (0.118-2.008) | 0.0831 | ||||
PC on any small bowel region with 4 or more non-small bowel regions | No | 20 | 24.7 (15.6-29.4) | <0.0001 | 1.383 (0.624-2.177) | 0.0004 | |
Yes | 12 | 10.5 (5.8-14.2) | |||||
Adjuvant chemotherapy | 0.821 | ||||||
Postoperative complications | 0.502 | ||||||