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Table 1 Patient/tumor characteristics

From: The safety and usefulness of neutron brachytherapy and external beam radiation in the treatment of patients with gastroesophageal junction adenocarcinoma with or without chemotherapy

Characteristics Total (%) CRT (%) RT (%) p Value
Sex     0.008
Male 153 (77.7) 76 (86.4) 77 (70.6)  
Female 44 (22.3) 12 (13.6) 32 (29.4)  
Age (years)     0.028
≤65 73 (37.3) 40 (45.5) 33 (30.3)  
>65 124 (62.7) 48 (54.5) 76 (69.7)  
KPS     0.141
≥80 114 (57.9) 56 (63.6) 58 (53.2)  
70 83 (42.1) 32 (36.4) 51 (46.8)  
The length     0.358
≤5 cm 182 (92.4) 83 (94.3) 99 (90.8)  
>5 cm 15 (7.6) 5 (5.7) 10 (9.2)  
Tumor location     0.092
Type I 9 (4.6) 4 (4.5) 5 (4.6)  
Type II 95 (48.2) 35 (36.8) 60 (55.0)  
Type III 93 (47.2) 49 (55.7) 44 (40.4)  
T stage     0.002
T2 36 (18.3) 8 (9.1) 28 (25.7)  
T3 68 (34.5) 31 (35.2) 37 (33.9)  
T4 93 (47.2) 49 (55.7) 44 (40.4)  
N stage     <0.0001
N0 49 (24.9) 9 (10.2) 40 (36.7)  
N1 148 (75.1) 79 (89.8) 69 (63.3)  
6th AJCC stage     <0.0001
II 46 (23.4) 9 (10.2) 37 (33.9)  
III 151 (76.6) 79 (89.8) 72 (66.1)  
Total dose     0.235
≤70 67 (34.0) 26 (29.5) 41 (37.6%)  
>70 130 (66.0) 62 (70.5) 68 (62.4)  
  1. Abbreviations: CRT  chemotherapy plus radiotherapy, Total dose EBRT + NBT dose, OS Overall survival rate, LRC Local-regional control.