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Table 2 Summary of multivariate analysis of prognostic factors

From: 3D-image-guided HDR-brachytherapy versus 2D HDR - brachytherapy after external beam radiotherapy for early T-stage nasopharyngeal carcinoma

  Factors B p-value Exp (B) Exp (B) (95% CI)
LCS T category 2.298 0.005 9.959 1.977 - 50.169
N category 1.460 0.042 0.232 0.057 - 0.949
3D-BT vs. 2D-BT NS    
DFS T category 0.973 0.031 2.647 1.093 - 6.407
N category 2.950 < 0.001 19.113 5.621 - 64.997
3D-BT vs. 2D-BT NS    
OS T category NS    
N category 2.625 < 0.001 13.800 4.128 - 46.127
3D-BT vs. 2D-BT NS    
LRFS T category 1.407 0.025 4.083 1.192 - 13.989
  N category NS    
  3D-BT vs. 2D-BT NS    
CSS T category NS    
  N category 3.106 < 0.001 22.324 6.073 - 82.067
  3D-BT vs. 2D-BT NS    
DMFS T category NS    
  N category 4.043 < 0.001 57.020 9.307 - 349.347
  3D-BT vs. 2D-BT NS    
  1. Abbreviations: CI, confidence interval; 2D-BT, two-dimensional high-dose-rate brachytherapy; 3D-BT, three-dimensional high-dose-rate brachytherapy; NS, not significant.
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