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Table 4 Comparison of statistical significance for OARs

From: Impact of different treatment plans on EQD2 for intracavitary brachytherapy of cervical cancer

Parameters IMRT+IO vs. IMRT+MO IMRT+IO vs. 3DCRT+IO IMRT+IO vs. 3DCRT+MO IMRT+MO vs. 3DCRT+IO IMRT+MO vs. 3DCRT+MO 3DCRT+IO vs. 3DCRT+MO
Rectum D2cm3 0.100 0.244 0.000 0.969 0.244 0.100
D1cm3 0.000 0.004 0.000 0.174 0.004 0.000
D0.1cm3 0.000 0.071 0.000 0.059 0.071 0.000
Bladder D2cm3 0.000 0.274 0.000 0.037 0.274 0.000
D1cm3 0.001 0.483 0.000 0.046 0.483 0.001
D0.1cm3 0.000 0.876 0.000 0.005 0.876 0.000
Small bowel D2cm3 0.012 0.001 0.000 0.814 0.001 0.012
D1cm3 0.185 0.316 0.002 0.990 0.316 0.185
D0.1cm3 0.238 0.778 0.030 0.776 0.778 0.238
Sigmoid D2cm3 0.005 0.000 0.000 0.809 0.000 0.005
D1cm3 0.013 0.010 0.000 1.000 0.010 0.013
D0.1cm3 0.130 0.276 0.001 0.978 0.276 0.130
  1. IMRT intensity-modulated radiation therapy, 3DCRT three-dimensional conformal radiation therapy, IO inverse optimization, MO manual optimization