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Table 1 Statistics of variables (in mm) for each patient (i) and for all fractions for X (LR), Y (SI), Z (AP) directions

From: Analysis of inter-fraction setup errors and organ motion by daily kilovoltage cone beam computed tomography in intensity modulated radiotherapy of prostate cancer

 

XT

XB

XT- XB

YT

YB

YT- YB

ZT

ZB

ZT-ZB

Patient:

μi

σi

μi

σi

μi

σi

μi

σi

μi

σi

μi

σi

μi

σi

μi

σi

μi

σi

1

4.1

2.4

4.7

2.2

-0.6

1.6

-2.0

2.0

-0.9

1.8

-1.1

1.6

-0.1

3.7

-1.4

2.2

1.3

2.3

2

4.2

3.4

4.9

2.7

-0.8

1.3

-3.7

3.6

-1.3

1.5

-2.4

3.5

6.2

4.7

9.6

4.2

-3.4

3.0

3

-2.2

2.0

-0.8

1.7

-1.3

1.1

0.5

1.9

0.7

1.4

-0.2

1.9

-4.6

3.1

-4.3

2.9

-0.4

1.2

4

-2.1

1.8

-1.4

1.4

-0.8

1.1

0.6

3.0

-0.5

1.9

1.1

2.6

5.9

4.7

-1.1

3.1

7.0

3.0

5

1.3

2.0

1.5

2.0

-0.2

0.8

0.6

2.3

0.3

1.5

0.3

1.5

0.7

2.3

-1.3

2.1

1.9

1.7

6

-4.0

3.3

-2.4

2.9

-1.6

1.5

0.9

2.2

1.2

1.7

-0.3

1.6

1.3

4.8

-2.1

2.7

3.4

3.9

7

0.9

3.2

1.3

2.9

-0.4

0.7

5.0

2.3

4.7

2.1

0.2

1.0

-3.9

4.6

-5.8

2.7

1.9

3.8

8

-2.4

2.5

-0.8

1.9

-1.6

1.8

-3.8

3.8

-3.5

1.8

-0.3

3.0

13.4

5.7

5.1

3.6

8.3

4.5

9

-3.3

2.8

-2.6

3.0

-0.7

1.1

-4.5

2.6

-0.5

1.7

-4.0

2.7

6.3

4.9

1.7

3.8

4.6

3.2

10

0.3

3.5

0.9

3.5

-0.6

0.6

-0.5

1.6

1.5

1.2

-1.9

1.3

4.0

3.1

2.6

2.8

1.4

1.5

11

5.3

2.4

6.7

2.5

-1.4

1.2

-4.7

2.8

-1.8

3.0

-2.9

1.7

8.5

4.0

8.9

3.5

-0.4

1.8

12

0.3

2.8

0.8

2.6

-0.5

0.8

-2.3

1.9

-1.2

1.3

-1.1

1.8

5.2

3.1

1.0

3.2

4.3

2.2

13

-1.0

1.9

0.4

1.3

-1.3

1.0

-1.9

2.7

0.1

1.5

-2.0

2.5

2.2

3.2

1.8

2.2

0.4

2.0

14

-0.7

3.0

0.7

2.3

-1.4

1.5

0.1

2.0

1.1

1.4

-1.0

1.5

0.0

4.1

-2.6

2.8

2.5

3.0

15

-0.7

1.8

0.7

1.5

-1.4

1.1

0.7

2.1

1.9

2.3

-1.2

1.9

-3.0

5.6

-5.4

5.8

2.4

3.0

16

1.8

1.9

3.8

1.4

-2.0

1.1

-1.8

2.5

-2.9

1.7

1.1

1.8

7.9

2.8

2.4

1.8

5.4

2.1

17

-5.1

3.4

-4.4

3.2

-0.6

1.0

-0.8

1.8

-0.2

1.8

-0.6

1.5

0.2

3.1

-2.2

3.1

2.4

2.0

18

1.6

2.5

2.9

2.0

-1.3

1.3

-2.8

2.1

-0.8

1.4

-1.9

2.0

5.5

4.1

0.6

3.4

4.9

3.3

Errors:

M

σ

M

σ

M

σ

M

σ

M

σ

M

σ

M

σ

M

σ

M

σ

 

-0.1

2.6

0.9

2.4

-1.0

1.2

-1.1

2.5

-0.1

1.8

-1.0

2.1

3.2

4.1

0.4

3.2

2.7

2.8

Σ

 

2.9

 

2.9

 

0.5

 

2.4

 

1.9

 

1.3

 

4.7

 

4.3

 

2.8

F *

39.9

 

50.5

 

6.2

 

34.5

 

42

 

15.8

 

48.8

 

62.5

 

36.7

 

KW-χ2 *

359.9

 

399.9

 

98.9

 

314.5

 

317.6

 

206.5

 

361.9

 

383.4

 

330.1

 

Levene *

 

2.2

.

2.6

 

4.5

 

2.7

 

3.5

 

4.5

 

3.6

 

5.2

 

5.1

  1. *The values shown in the Table for the statistical tests F, KW-χ2 show that all the differences are significant with p < 1% and the Levene test with p < 5%