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Table 2 Multivariate analysis of factors affecting survival using Cox proportional hazards model in 165 HNSCC patients

From: Epigenetic silencing of SALL3 is an independent predictor of poor survival in head and neck cancer

  Disease-free survival
Variables HR (95% CI) P
Age
 70 and older vs. <70 1.062 (0.659–1.711) 0.8038
Gender
 Male vs. female 1.170 (0.644–2.125) 0.6064
Alcohol exposure
 Ever vs. never 1.015 (0.565–1.823) 0.9606
Smoking status
 Smoker vs. nonsmoker 1.339 (0.752–2.383) 0.3216
Stage
 I, II, III, vs. IV 2.356 (1.480–3.751) 0.0003*
SALL3 methylation
 Yes vs. no 1.914 (1.157–3.164) 0.0114*
  1. HR hazard ratio, 95% CI 95% confidence interval