Xlstat

Continuous variables are presented as median (range) and tested with Mann–Whitney U test. Categorical variables are presented as proportions. Distributions are compared using Kolmogorov–Smirnov test. A linear regression analysis is performed to test associations between continuous outcomes. Patients are divided into two groups for statistical analyses; a group of PMP patients and a group including colorectal cancer, appendix cancer, goblet cell carcinoma, mesothelioma and ovarian cancer. These groups are for practical reasons termed “PMP” and “Other”. All statistical tests use a type I error set at α 0.05. A two-sided p-value of <0.05 was considered statistically significant. Statistical software XLSTAT (Addinsoft, 2019; XLSTAT Statistical and Data Analysis Solution, Long Island, NY, USA) and STATA/SE v14.2 (StataCorp, Texas, USA) were used for analyses.