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Table 2 Main distribution of patient characteristics in peritumoral edema subgroup

From: Peritumoral edema shown by MRI predicts poor clinical outcome in glioblastoma

Variables Number of cases (%) Peritumoral edema extent
Minor edema (%) Major edema (%)
Total 87 19 (21.8) 68 (78.2)
Gender    
 Male 55 (63.2) 14 (73.7) 41 (60.3)
 Female 32 (36.8) 5 (26.3) 27 (39.7)
Age (years)    
 ≥60 50 (57.5) 12 (63.2) 38 (55.9)
 <60 37 (42.5) 7 (36.8) 30 (44.1)
KPS    
 ≤80 33 (37.9) 5 (26.3) 28 (41.2)
 >80 54 (62.1) 14 (73.7) 40 (58.8)
Edema shape    
 Roundish 29 (33.3) 16 (84.2) 13 (19.1)
 Irregular 58 (66.7) 3 (15.8) 55 (80.9)
Necrosis    
 No 16 (18.4) 6 (31.6) 10 (14.7)
 Yes 71 (81.6) 13 (68.4) 58 (85.3)
Cyst    
 No 67 (77) 15 (78.9) 52 (75.4)
 Yes 20 (23) 4 (21.1) 16 (24.6)
Enhancement    
 No obvious 30 (34.5) 14 (73.7) 16 (23.5)
 Obvious 57 (65.5) 5 (26.3) 52 (76.5)
Tumor crosses midline    
 No 71 (81.6) 17 (89.5) 54 (79.4)
 Yes 16 (18.4) 2 (10.5) 14 (20.6)
Edema crosses midline    
 No 59 (67.8) 17 (89.5) 42 (61.8)
 Yes 28 (32.2) 2 (10.5) 26 (38.2)
Size (cm)    
 <5 37 (42.5) 6 (31.6) 31 (45.6)
 ≥5 50 (57.5) 13 (68.4) 37 (54.4)