Table 2 Comparison of mean dosimetric parameters computed for 3D-CRT, TD, B-VMAT, VMAT and HT

PTV

Volume (cm³)

428.7 ± 195.6

D_Mean

30

30.6±0.7^b,e

30.0±0.1^a,c,d

30.4±0.2^b,e

30.4±0.2^b,e

29.9±0.1^a,c,d

V_{90% (%)}

99

98.2±1.0^b,d,e

99.2±0.7^a,c,d

98.3±1.2^b,e

98.6±1.1^b,e

99.1±0.2^a,c,d

V_{95% (%)}

95

94.8±0.5^b,d,e

97.4±1.7^a,c,d,e

95.5±2.3^b

95.4±1.7^b

95.9±0.7^a,b

V_{107% (%)}

<1

5.0±5.2^b,d,e

0.02±0.03^a,c,d,e

5.5±3.8^b,e

5.50±3.80^b,e

0.3±0.28^a,b,c,d

CN_{95% (%)}

1

0.30±0.1^c,d,e

0.30±0.1^c,d,e

0.67±0.1^a,b,d,e

0.76±0.02^a,b,c

0.77±0.06^a,b,c

HI

0

0.30±0.1^b,c,d,e

0.10±0.03^a,c,d,e

0.20±0.1^a,b,e

0.16±0.04^a,b,e

0.07±0.01^a,b,c,d

Lung

D_mean(Gy)

-

6.6±2.6

6.3±2.7

5.9±2.5

6.4±2.5

5.9±2.2

V_{5Gy (%)}

50

29.3±12.4^b,c,d,e

26.4±11.6^a,c,d,e

31.3±14.3^a,b,d,e

39.0±15.6^a,b,c

37.0±12.6^a,b,c

V_{10Gy (%)}

33

22.6±9.4^d

21.9±9.6^d

20.8±10.0^d

25.6±13.3^a,b,c,e

20.6±11.0^d

V_{15Gy (%)}

-

18.6±7.6^c,d,e

18.5±8.2^c,d,e

15.3±8.0^a,b,e

15.0±10.6^a,b,e

12.8±7.5^a,b,c,d

V_{20Gy (%)}

-

15.2±6.2^c,d,e

15.6±6.9^c,d,e

11.3±6.7^a,b,d,e

8.8±6.3^a,b,c,

7.6±4.5^a,b,c

V_{30Gy (%)}

-

3.5±2.7^b,c,d,e

0.7±0.5^a

0.8±0.8^a

0.3±0.3^a

0.1±0.3^a

Breast

D_mean(Gy)

-

1.0±0.4^c

0.9±0.9^c

0.7±0.3^a,b,d,e

0.9±0.4^c

1.2±0.9 ^c

V_{4Gy (%)}

50

4.5±2.3^d,e

3.7±4.2^d,e

4.6±3.0^d,e

6.2 ±4.7^a,b,c

5.4±5.5^a,b,c

V_{10Gy (%)}

33

2.5±1.4^c,d,e

2.4±3.0^c,d,e

1.1±1.0^a,b

1.2±1.1^a,b

1.4±1.8^a,b

V_{15Gy (%)}

-

1.4±0.7^c,d,e

1.6±2.2^c,d,e

0.4±0.4^a,b

0.3±0.4^a,b

0.6±1.0^a,b

V_{20Gy (%)}

-

0.9±0.5^c,d

1.3±1.9^c,d

0.1±0.1^a,b

0.1±0.1^a,b

0.2±0.5^a,b

V_{30Gy (%)}

-

0.2±0.3^c,d,e

0.6±1.0^c,d,e

0^a,b

0^a,b

0^a,b

Thyroid

D_mean(Gy)

-

17.7±4.5^c,d,e

17.3±5.1^c,d,e

13.5±6.3^a,b

13.5±5.3^a,b

14.4±5.5^a,b

V_{18Gy (%)}

50

45.9±18.1^c,d,e

51.3±19.2^c,d,e

35.2±21.6^a,b

33.4±18.8^a,b

38.2±23.0^a,b

V_{25Gy (%)}

33

32.0±14.4^c,d,e

32.9±14.6^c,d,e

22.2±15.8^a,b

21.3±14.7^a,b

24.5±19.8^a,b

Coronary Ostia

D_mean(Gy)

-

22.1±9.9^c,d,e

19.8±9.3^c,d,e

15.7±7.9^a,b

15.9±8.9^a,b

16.4±8.4^a,b

V_{20Gy (%)}

100

73.5±40.8^c,d,e

59.1±37.7^c,d,e

43.1±32.6^a,b

44.0±34.3^a,b

44.3±34.2^a,b

Heart

D_mean(Gy)

-

5.1±4.0^c,d,e

4.3±3.7^c,d,e

3.5±2.3^a,b

3.1±2.2^a,b

3.8±3.8^a,b

Non target tissue

D_mean(Gy)

-

4.1±1.3

3.8±0.9

3.1±0.7

3.6±0.9

3.90±0.96

Time (min)

-

3.2±1.1^b,c,d,e

4.4±1.1^a,c,d,e

12.0±2.8^a,b,d,e

6.2±1.3^a,b,c,e

7.2±1.6^a,b,c,d