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. Author manuscript; available in PMC: 2015 Mar 26.
Published in final edited form as: Mod Pathol. 2013 Nov 1;27(5):690–700. doi: 10.1038/modpathol.2013.188

Table 3.

Multivariate Cox proportional hazards model

Variable HR 95% CI P value
Cribriform predominant
  vs. Low grade 3.64 1.11–11.90 0.033
  vs. Intermediate grade 1.65 0.86–3.16 0.13
  vs. High grade 0.77 0.41–1.44 0.41
Sex (male vs. female) 1.53 1.10–2.14 0.012
Surgery (sublobar vs. lobar) 3.23 2.24–4.66 <0.001
Stage (IB vs. IA) 2.02 1.41–2.88 <0.001
Lymphatic invasion 1.51 1.05–2.16 0.027
Necrosis 1.96 1.32–2.92 0.001
Mitotic count
  Intermediate vs. low 1.34 0.82–2.18 0.24
  High vs. low 1.53 0.97–2.41 0.065

Significant p-values are shown in bold.

HR, Hazard ratio; CI, confidence interval