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Table 1 Patients characteristics (N = 114)

From: Salvage radiotherapy in patients with local recurrent esophageal cancer after radical radiochemotherapy

Characteristics SR group N (%) NSR group N (%) P value
Gender    
Female 28 (50.9) 31 (52.5) 0.862
Male 27 (49.1) 28 (47.5)
Age (years) Mean ± SD 66.8 ± 8.8 63.7 ± 8.6 0.062
Location of tumor    
Upper 32 (58.2) 41 (69.5) 0.192
Middle 22 (40.0) 15 (25.4)
Lower 1 (1.8) 3 (5.1)
Initial length (cm) Mean ± SD 4.9 ± 2.0 5.7 ± 2.5 0.046
Initial ECOG-PS    
0-I 46 (83.6) 52 (88.1) 0.523
II 8 (14.6) 7 (11.9)
III 1 (1.8) 0 (0)
Initial clinical stage#    
I-II 40 (72.7) 36 (61.0) 0.185
III 15 (27.3) 23 (39.0)
Initial radiation dose (Gy) Mean ± SD 61.2 ± 5.4 62.1.6 ± 2.6 0.262
TRS time    
≤12 months 24 (43.6) 38 (64.4) 0.026
>12 months 31 (56.4) 21 (35.6)
Salvage radiation dose    
≤50 Gy 24 (43.6) NA* NA*
>50 Gy 31 (56.4)
Mean ± SD (Gy) 51.9 ± 10.3
  1. #According to TNM classification 6th edition,*NA: not-available.