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Table 1 Baseline clinical characteristics of patients

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

Characteristic No. patients Proportion (%)
Sex
 Male 116 67.8
 Female 55 32.2
Age
 ≤ 60 y 149 87.1
 > 60 y 22 12.9
Ann Arbor Stage
 I 61 35.7
 II 48 28.1
 III 22 12.8
 IV 40 23.4
Primary site
 UADT 154 90.1
 Extra-UADT 17 9.9
B symptoms
 No 87 50.9
 Yes 84 49.1
LDH
 Normal 105 61.4
 Elevated 66 38.6
β2-MG
 Normal 112 65.5
 Elevated 59 34.5
Hb
 ≥ 120 g/L 132 77.2
 < 120 g/L 39 22.8
IPI
 Low (0–1) 117 68.4
 Intermediate low (2) 33 19.3
 Intermediate high (3) 12 7.0
 High (≥4) 9 5.3
KPI
 Group 1 (0) 49 28.7
 Group 2 (1) 59 34.5
 Group 3 (2) 30 17.5
 Group 4 (≥3) 33 19.3
  1. Abbreviations: UADT upper aerodigestive tract, LDH lactate dehydrogenase, β2-MG β2-microglobulin, Hb hemoglobin, IPI Prognostic Index, KPI Korean Prognostic Index
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