Skip to main content

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