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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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