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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: J Am Coll Surg. 2013 Dec 21;218(4):573–585. doi: 10.1016/j.jamcollsurg.2013.12.013

Table 3.

Univariate and multivariate analysis of prognostic significance of clinicopathologic variables, based on stepwise regression analysis.

Variable p-value Hazard Ratio
Univariate
  Race 0.31
  Peritoneal Carcinomatosis Index (PCI) <.0001 1.28 for each 5 unit increase
  Resection Status <0.0001 1.6–5.7
  Sex 0.039 .85
  Complications <.0001 1.5
  Length of operation 0.041 1.03(each additional hour)
  Previous CS & HIPEC <.0001 .45
  Age 0.028 1.04 (each 5 year increase)
  Temperature of perfusate 0.73
  Length of perfusion with chemotherapy 0.21
  Primary tumor histology (site) <0.0001 .24–2.7 (depending on primary)
  Performance status (ECOG) <0.0001 2.8 for 2, 4.3 for 3 or 4
  Experience Quintile .006 1.5 (quintile 1 vs. 5)
Multivariate
  Resection status <0.0001
  Performance status (ECOG) <0.0001
  Primary tumor histology (site) <0.0001
  Complications <0.0001
  Experience Quintile .043