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Table 3 Multivariate analysis for the independent risk factors for PFS of LELC (Multivariate Cox regression model with a forward procedure)

From: Primary pulmonary lymphoepithelioma-like carcinoma: a rare type of lung cancer with a favorable outcome in comparison to squamous carcinoma

FactorsHR95% CIP
EBV-DNAPositive vs. Negative5.621.66–19.000.006*
  1. *: P < 0.05
  2. HR Hazard Ratio
  3. 95% CI 95% Confidence Interval