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Table 1 Isocentre displacement for each treatment category

From: Real-time prostate motion assessment: image-guidance and the temporal dependence of intra-fraction motion

Treatment category

Displacement [mm]

Lateral [%]

Vertical [%]

Longitudinal [%]

Left

Right

Anterior

Posterior

Superior

Inferior

IMRTc

≥0

53.7

46.3

51.2

48.8

35.6

64.4

≥1

7.1

4.7

16.9

16.2

9.9

24.9

≥2

0.8

0.6

4.5

4.6

3.9

7.2

≥3

0.1

0.1

1.1

1.3

1.6

1.7

≥4

0.0

0.0

0.2

0.4

0.7

0.3

IMRTcc

≥0

50.9

49.1

45.8

54.2

36.9

63.1

≥1

8.7

8.3

18.9

24.0

13.3

29.9

≥2

1.1

1.6

5.5

8.7

5.5

12.1

≥3

0.2

0.4

1.4

3.0

2.4

4.5

≥4

0.0

0.0

0.4

0.9

1.2

1.2

IMATc

≥0

48.2

51.8

47.4

52.6

32.4

67.6

≥1

3.8

5.6

13.1

14.5

9.0

24.4

≥2

0.2

0.5

2.4

3.8

3.8

6.0

≥3

0.0

0.0

0.3

1.1

1.8

1.6

≥4

0.0

0.0

0.1

0.4

0.9

0.2

IMATcc

≥0

54.6

45.4

47.6

52.4

31.3

68.7

≥1

9.5

5.4

17.5

20.8

11.0

38.3

≥2

1.5

0.8

4.5

6.9

4.4

17.8

≥3

0.2

0.1

1.0

1.8

2.0

6.8

≥4

0.0

0.0

0.1

0.3

0.9

1.7