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Table 1 Clinicopathologic characteristics of patients with early-stage UADT-ENKTCL

From: Primary site and regional lymph node involvement are independent prognostic factors for early-stage extranodal nasal-type natural killer/T cell lymphoma

Characteristic All patients (n = 215) Primary site P
Nasal (n = 170) Extra-nasal (n = 45)
Sex   0.594
 Men 141 (65.6) 113 (66.5) 28 (62.2)  
 Women 74 (34.4) 57 (33.5) 17 (37.8)  
Age (years) 0.404
 ≤60 188 (87.4) 147 (86.5) 41 (91.1)  
 >60 27 (12.6) 23 (13.5) 4 (8.9)  
Regional lymph node involvement 0.150
 Yes 67 (31.2) 49 (28.8) 18 (40.0)  
 No 148 (68.8) 121 (71.2) 27 (60.0)  
“B” symptoms     0.048
 Yes 87 (40.5) 63 (37.1) 24 (53.3)  
 No 128 (59.5) 107 (62.9) 21 (46.7)  
Elevated LDH 0.675
 Yes 43 (20.0) 35 (20.6) 8 (17.8)  
 No 172 (80.0) 135 (79.4) 37 (82.2)  
LTI 0.137
 Yes 126 (58.6) 104 (61.2) 22 (48.9)  
 No 89 (41.4) 66 (38.8) 23 (51.1)  
ECOG score 0.773
 0–1 207 (96.3) 164 (96.5) 43 (95.6)  
 ≥2 8 (3.7) 6 (3.5) 2 (4.4)  
  1. All values are presented as the number of patients followed by the percentages in the parentheses
  2. UADT-ENKTCL upper aerodigestive tract-extranodal natural killer/T-cell lymphoma, LDH lactate dehydrogenase, LTI local tumor invasiveness, ECOG eastern cooperative oncology group