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Table 6 Multivariate analysis of potential prognostic factors

From: Comparison of radiotherapy combined with nimotuzumab vs. chemoradiotherapy for locally recurrent nasopharyngeal carcinoma

Endpoint

Factor

P

HR (95%CI)

OS

Age (years)

0.005

2.369 (1.293–4.342)

 

Recurrent T classification

0.003

4.875 (1.717–13.838)

PFS

GTV-T volume (cm3)

0.009

2.031 (1.190–3.467)

DMFS

EBV DNA following RT

0.047

3.294 (1.016–10.680)

  1. HR hazard ratio; CI confidence interval; OS overall survival; PFS progression-free survival; DMFS distant metastasis-free survival; EBV Epstein-Barr virus. A Cox proportional hazards model was used to perform multivariate analyses. HRs were calculated for age (years) (< 50 vs. ≥50); recurrent T classification (rT12 vs. rT34); GTV-T volume (cm3) (< 30 vs. ≥30); and EBV DNA following RT (negative vs. positive)