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Table 3 Multivariate analysis of variables predictive of PFS and OS

From: Nomograms based on SUVmax of 18F-FDG PET/CT and clinical parameters for predicting progression-free and overall survival in patients with newly diagnosed extranodal natural killer/T-cell lymphoma

  PFS OS
Variables HR (95% CI) P value HR (95% CI) P value
Ann Arbor stage
 I Reference   Reference  
 II 1.348 (0.730–2.489) 0.340 1.448 (0.670–3.128) 0.347
 III-IV 2.035 (1.098–3.771) 0.024 2.499 (1.169–5.342) 0.018
B symptoms (No vs. Yes) 1.031 (0.636–1.673) 0.901 1.011 (0.567–1.802) 0.971
LDH (Normal vs. Elevated) 1.605 (0.962–2.679) 0.070 1.971 (1.057–3.677) 0.033
β2-MG (Normal vs. Elevated) 1.744 (1.114–2.731) 0.015 1.894 (1.099–3.264) 0.022
Hb (< 120 g/L vs. ≥120 g/L) 1.533 (0.937–2.507) 0.089 1.328 (0.754–2.341) 0.326
SUVmax (≤9.5 vs. > 9.5) 1.778 (1.026–3.079) 0.040 2.192 (1.064–4.514) 0.033
  1. Abbreviations: CI confidence interval, HR hazard ratio, PFS progression-free survival, OS overall survival, LDH lactate dehydrogenase, β2-MG β2-microglobulin, Hb hemoglobin
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