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. Author manuscript; available in PMC: 2020 Sep 3.
Published in final edited form as: J Cancer Res Ther. 2019 Jul-Sep;15(3):582–588. doi: 10.4103/jcrt.JCRT_641_16

Table 3:

Multivariate analysis of survival outcomes in the entire sample and in the subset of smokers

Variables HR (95% CI)
Overall survival RFS
Entire sample (n=163)
 Smoking 2.28 (1.12–4.64) -
 Age (continuous) 1.06 (1.03–1.09) -
 Pathological risk score (continuous) 1.50 (1.30–1.72) -
Smokers (n=108)
 Age (continuous) 1.05 (1.01–1.08) -
 Pathological risk score (continuous) 1.56 (1.33–1.83) -

Description: This first model includes the six NCCN adverse risk factors and excludes the pathological risk score. We only included in this table the predictive variables that were found to be significantly associated with survival outcomes. HR=Hazard ratio, CI=Confidence interval, RFS=Recurrence-free survival, NCCN=National Comprehensive Cancer Network