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Table 2 The total EQD2 of organ at risks for different treatment technique

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

Parameters IMRT+IO IMRT+MO 3DCRT+IO 3DCRT+MO p-value*
Rectum D2cm3 (Gy) 65.70±9.29 72.37±5.32 71.08±9.46 77.75±6.21 0.001
D1cm3 (Gy) 65.96±4.54 75.32±4.80 71.53±4.93 81.89±5.65 0.000
D0.1cm3 (Gy) 76.51±6.78 88.38±5.97 82.35±6.70 84.22±6.12 0.000
Bladder D2cm3 (Gy) 63.10±5.52 76.65±9.89 68.48±6.17 82.03±9.74 0.000
D1cm3 (Gy) 67.01±7.03 81.40±11.67 72.03±7.37 86.41±11.21 0.000
D0.1cm3 (Gy) 76.52±10.68 102.25±20.78 81.03±11.05 106.76±20.35 0.000
Small bowel D2cm3 (Gy) 50.27±2.67 54.76±4.96 56.01±2.15 60.50±4.80 0.000
D1cm3 (Gy) 51.93±3.88 58.52±12.05 57.53±3.46 64.12±11.84 0.005
D0.1cm3 (Gy) 54.50±5.22 64.90±20.66 59.69±4.86 70.10±20.45 0.037
Sigmoid D2cm3 (Gy) 48.52±2.86 53.00±3.27 54.14±3.69 58.62±4.12 0.000
D1cm3 (Gy) 50.19±3.90 55.37±4.12 55.49±4.75 60.67±5.00 0.000
D0.1cm3 (Gy) 53.56±6.78 59.01±6.13 58.02±7.22 63.47±6.90 0.002
  1. IMRT intensity-modulated radiation therapy, 3DCRT three-dimensional conformal radiation therapy, IO inverse optimization, MO manual optimization