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Table 2 Multivariate analysis of variables correlated with overall survival in 130 nasopharyngeal cancer patients treated with IMRT

From: Plasma uric acid and tumor volume are highly predictive of outcome in nasopharyngeal carcinoma patients receiving intensity modulated radiotherapy

Variable HR 95% CI P value
Tumor volume, ≥ 27 mL vs. < 27 mL 12.543 1.315-119.641 0.028
Post-treatment uric acid, ≤301 μmol/L vs. > 301 μmol/L 6.858 2.065-22.775 0.002
N category* 0.908 0.478-1.725 0.768
T category* 1.102 0.506-2.400 0.806
Age, ≤ 45 years vs. > 45 years 0.645 0.254-1.635 0.355
Sex, male vs. female 0.376 0.113-1.251 0.111
  1. HR, hazard ratio; CI, confidence interval; * According to the 7th edition of the American Joint Committee on Cancer/International Union Against Cancer staging system.