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Table 3 Plan specific QA results

From: Comparison of sliding window and field-in-field techniques for tangential whole breast irradiation using the Halcyon and Synergy Agility systems

Patient

Ion chamber dose deviation in %

Portal dosimetry

ArcCHECK

Field #1

2%/1 mm > 94%

Field #2

2%/1 mm > 94%

3%/2 mm > 96,5%

2%/2 mm > 95%

1

− 2.7

99.3

96.6

100

100

2

− 1.6

99.5

96.2

100

98.3

3

− 1.6

99.3

96

100

98.6

4

− 1.5

99.5

97.1

99.8

97.2

5

− 1.9

99.3

96.5

99.7

96.9

6

− 1.3

96.8

98

100

98.8

7

− 1.2

95.3

97.6

99.7

96.8

8

− 1.0

97.7

98.1

100

99.1

9

− 1.3

96.0

97.5

100

99.6

10

− 1.3

96.7

97.2

98.4

92.2

11

− 1.2

98.4

97.5

97.6

95.5

12

− 1.2

99.5

97.3

99.5

95.1

13

− 1.0

98.9

97.4

100

98.9

14

− 0.8

98.9

96.6

99.8

96.5

15

− 1.1

99.2

94.6

98.9

92

16

− 1.6

97.8

96

97.6

88.3

17

− 1.6

94.8

97.2

99.7

97.8

18

2.5

94.6

95.8

98.5

95.8

19

2.4

97.1

97.5

99.8

99

20

− 0.5

97.2

95.8

100

99.2

Mean

− 1.0

97.8

96.7

99.5

96.8

SD

1.3

1.7

0.9

0.8

3.0

  1. Results of the plan specific QA for ion chamber measurement, portal dosimetry and the ArcCHECK phantom