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Table 2 Calculated mean ± standard deviation values of organ doses for different radiotherapy techniques

From: Estimating cancer risks due to whole lungs low dose radiotherapy with different techniques for treating COVID-19 pneumonia

Dosimetric parameters 3D-CRT AP–PA 3D-CRT 8 fields IMRT VMAT
PTV CI 0.94 ± 0.06 0.94 ± 0.04 0.97 ± 0.05 0.95 ± 0.05
PTV HI 0.38 ± 0.07 0.37 ± 0.07 0.30 ± 0.06 0.27 ± 0.04
Lung mean dose (Gy) 1.17 ± 0.15 1.23 ± 0.18 1.09 ± 0.11 1.1 ± 0.13
Lungs max dose (Gy) 1.33 ± 0.19 1.40 ± 0.22 1.43 ± 0.15 1.27 ± 0.17
Heart mean dose (Gy) 0.96 ± 0.10 0.77 ± 0.09 0.66 ± 0.05 0.65 ± 0.07
Heart max dose (Gy) 1.27 ± 0.12 1.25 ± 0.11 1.08 ± 0.08 1.12 ± 0.08
Breast mean dose (Gy) 1.22 ± 0.15 0.64 ± 0.05 0.55 ± 0.04 0.59 ± 0.05
Breast max dose (Gy) 1.35 ± 0.17 0.95 ± 0.07 0.72 ± 0.06 0.77 ± 0.06
Liver mean dose (Gy) 0.57 ± 0.06 0.49 ± 0.05 0.55 ± 0.06 0.57 ± 0.07
Liver max dose (Gy) 1.24 ± 0.11 1.25 ± 0.14 1.1 ± 0.09 1.19 ± 0.1
Stomach mean dose (Gy) 0.58 ± 0.04 0.54 ± 0.05 0.43 ± 0.05 0.45 ± 0.05
Stomach max dose (Gy) 1.15 ± 0.11 1.2 ± 0.10 0.98 ± 0.08 1.13 ± 0.08
Thyroid mean dose (Gy) 0.11 ± 0.01 0.14 ± 0.02 0.18 ± 0.03 0.35 ± 0.03
Thyroid max dose (Gy) 0.28 ± 0.03 0.29 ± 0.04 0.49 ± 0.05 0.98 ± 0.08
Esophagus mean dose (Gy) 0.35 ± 0.03 0.71 ± 0.06 0.56 ± 0.06 0.61 ± 0.07
Esophagus max dose (Gy) 0.95 ± 0.08 1.19 ± 0.09 0.98 ± 0.07 1.08 ± 0.08
Spinal cord mean dose (Gy) 0.22 ± 0.02 0.59 ± 0.05 0.51 ± 0.04 0.58 ± 0.05
Spinal cord maximum dose (Gy) 0.92 ± 0.10 1.1 ± 0.10 1.01 ± 0.09 1.06 ± 0.08
Maximum dose in body (Gy) 1.35 ± 0.11 1.36 ± 0.12 1.21 ± 0.11 1.23 ± 0.09
Integral dose (Gy.cc) 12,581.1 ± 1042.2 11,594.3 ± 1015.5 12,334.4 ± 1150.1 12,446.6 ± 1072.9