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Table 4 Univariate and multivariate analysis of cancer-related survival in the total populationa

From: The role of a pseudocapsula in thymic epithelial tumors: outcome and correlation with established prognostic parameters. Results of a 20-year single centre retrospective analysis

Risk factor Univariate analysis Multivariate analysisc
  p value b Relative risk 95% Confidence interval p value
R-status 0.0001 3.9 2.0 – 7.6 0.001
Masaoka stagingd 0.0001 2.0 1.0 – 4.1 0.020
Presence of a pseudocapsula 0.0002 - - 0.179
WHOd classificatione 0.0001 - - 0.181
Sex 0.562 - - 0.849
Age 0.360 - - 0.206
  1. aCancer-unrelated death or incomplete follow-up resulted in exclusion of 2 patients leaving 82 patients available for the analysis of joint effects of prognostic parameter.
  2. b p values of univariate analysis were determined by Log rank test.
  3. cStepwise multivariate analysis was performed using the Cox prpotional-hazard model.
  4. dWHO classification was grouped into two major classes: A-B2 and B3-C.
  5. eMasaoka and WHO did show joint effects with pseudocapsula and were therefore not taken to further analysis.