Table 2 Comparison of dosimetric parameters from treatment plans obtained in the two setup positions for the whole patients series (41 patients)

PTV (cc)

534.9 ± 229.4

515.3 ± 174.2

0.32

 V95 (%)

96.5 ± 3.5

98.0 ± 1.6

0.04

 V105 (%)

1.4 ± 1.1

2.0 ± 2.5

0.14

 V107 (%)

0.1 ± 0.2

0.2 ± 0.5

0.16

 Dmin (Gy)

35.8 ± 11.3

35.8 ± 10.2

0.97

 Dmax (Gy)

53.7 ± 0.6

53.7 ± 0.6

0.80

 Dmean (Gy)

50.1 ± 0.4

50.1 ± 0.3

0.42

CTV (cc)

468.1 ± 216.6

432.0 ± 159.0

0.02

 V95 (%)

98.4 ± 2.3

99.3 ± 1.0

0.02

 V105 (%)

1.3 ± 1.1

1.8 ± 2.4

0.25

 V107 (%)

0.1 ± 0.2

0.1 ± 0.4

0.45

 Dmin (Gy)

42.4 ± 7.4

44.4 ± 4.4

0.15

 Dmax (Gy)

53.6 ± 0.6

53.5 ± 0.6

0.42

 Dmean (Gy)

50.2 ± 0.4

50.2 ± 0.3

0.92

Lung (cc)

1335.0 ± 331.0

1201.0 ± 264.0

<10^-6

 V20 (%)

1.5 ± 1.8

9.0 ± 3.4

<10^-6

 V10 (%)

2.6 ± 2.4

12.7 ± 4.3

<10^-6

 V5 (%)

4.0 ± 3.2

18.4 ± 5.3

<10^-6

 Dmean (Gy)

1.4 ± 0.9

5.2 ± 1.5

<10^-6

 Dmax (Gy)

39.7 ± 12.4

49.5 ± 1.7

<10^-5