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Table 3 The 5-year local control (LC) rate and overall survival (OS) rate for the early-stage (I + II) and advanced stage (III) patients of the two treatment groups (EBRT + NBT and 3D-CRT)

From: A retrospective study of californium-252 neutron brachytherapy combined with EBRT versus 3D-CRT in the treatment of esophageal squamous cell cancer

Characteristics EBRT + NBT 3D-CRT P value
Stage I + II n = 237 n = 126  
  5-year LC 59.9 % 46.1 % 0.045
  5-year OS 43.9 % 28.6 % 0.004
 Median survival 45.5 months 25.9 months 0.004
Stage III n = 308 n = 213  
  5-year LC 44.9 % 33.2 % 0.306
  5-year OS 23.2 % 12.8 % 0.175
 Median survival 15.6 months 15.5 months 0.175
Overall n = 545 n = 339  
  5-year LC 51.4 % 38.1 % 0.019
  5-year OS 32.0 % 18.4 % 0.001
 Median survival 21.7 months 19.1 months 0.001
  1. Abbreviations: EBRT + NBT external beam radiotherapy plus neutron brachytherapy, 3D-CRT three dimensional conformal radiotherapy