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. 2020 Apr;9(4):2378–2389. doi: 10.21037/tcr.2020.03.49

Table 4. Univariate and multivariate analysis of factors associated with progression-free survival and overall survival of ENTKL patients.

Factor Progression-free survival Overall survival
Univariate analysis Multivariate analysis Univariate analysis Multivariate analysis
P HR 95% CI P RR 95% CI P HR 95% CI P RR 95% CI
Age
   ≤60
   >60 0.634 0.851 0.439–1.652 0.830 1.080 0.535–2.181
Gender
   Female
   Male 0.924 1.032 0.546–1.947 0.728 1.129 0.569–2.241
Ann Arbor stage
   I-II
   III-IV <0.001 5.664 2.409–113.316 0.001 6.011 2.102–17.191 0.001 3.515 1.637–7.546 0.015 3.600 1.278–10.141
Primary site
   Nasal
   Extranasal 0.001 3.035 1.571–5.864 0.778 11.127 0.49–2.591 0.002 2.870 1.479–5.567 0.865 1.086 0.420–2.809
B symptom
   No
   Yes 0.180 1.551 0.817–2.945 0.075 1.934 0.936–3.995
ECOG PS
   0–1
   ≥2 0.001 2.882 1.521–5.460 0.772 1.121 0.518–2.425 <0.001 3.348 1.736–6.457 0.475 1.383 0.568–3.367
IPI score
   0–1
   ≥2 0.025 2.262 1.107–4.625 0.125 1.795 0.850–3.791
Chemotherapy regime
   No L-asparaginase 0.021 2.096 1.116–3.937 0.061 1.969 0.970–3.984 0.001 3.077 1.577–5.988 0.009 2.717 1.252–5.780
   L-asparaginase
WBC (10E9/L)
   <4
   ≥4 0.108 0.609 0.332–1.114 0.078 0.554 0.287–1.069
HB (g/L)
   <110
   ≥110 0.869 0.952 0.533–1.703 0.629 0.856 0.457–1.606
PLT (10E9/L)
   <100
   ≥100 0.054 0.533 0.281–1.011 0.023 0.459 0.235–0.898
LDH (U/L)
   ≤548
   >548 <0.001 4.371 2.157–8.856 <0.001 4.669 2.292–9.510
Hemophagocytosis
   No
   Yes 0.004 2.918 1.412–6.031 0.001 3.729 1.755–7.921
CRP (mg/L)
   ≤25.35
   >25.35 0.005 2.371 1.290–4.356 <0.001 3.564 1.883–6.748
Ferritin (µg/L)
   ≤323.25
   >323.25 0.001 3.258 1.695–6.612 <0.001 5.257 2.232–12.382
IL-6 (pg/mL)
   ≤15.92
   >15.92 0.002 2.587 1.427–4.690 0.012 2.367 1.206–4.643 <0.001 4.214 2.166–8.196 0.001 3.565 1.72–7.39
IL-10 (pg/mL)
   ≤6.145
   >6.145 0.003 2.531 1.373–4.667 0.001 4.419 2.168–9.005
TNF-α (pg/mL)
   ≤0.275
   >0.275 0.086 2.035 0.903–4.586 0.806 2.155 0.896–5.181

ENTKL, extranodal natural killer/T-cell lymphoma; CRP, C-reactive protein; IL, interleukin; TNF-α, tumor necrosis factor-α.