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Table 7 Systematic and random errors of each observer for each measurement

From: Consistency in electronic portal imaging registration in prostate cancer radiation treatment verification

(a) Systematic errors in mm

Observer

AP LR (mm)

AP SI (mm)

Lat AP (mm)

Lat SI (mm)

1

1.8

1.6

2.6

2.1

2

1.8

1.3

2.4

1.5

3

1.8

1.4

3.1

1.8

4

1.7

1.4

2.3

1.5

5

1.8

1.3

2.9

1.6

6

1.5

1.3

2.2

1.7

(b) Random errors in mm

Observer

AP LR

AP SI

Lat AP

Lat SI

1

2.0

1.7

2.1

2.2

2

2.0

1.6

1.6

1.6

3

2.1

1.7

1.9

2.0

4

1.9

1.7

1.5

1.5

5

2.0

1.5

2.0

1.9

6

2.0

2.0

2.0

1.9

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Radiation Oncology

ISSN: 1748-717X

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