Parameter

Unit

Grade ≤ 1

Mean ± SD

Grade 2

Mean ± SD

P Value

Rectum

D_2%

(Gy)

78.9 ± 1.3

78.7 ± 1.1

0.5

V_75Gy

(%)

6.2 ± 4.4

5.4 ± 4.6

0.5

V_70Gy

(%)

10.5 ± 5.3

9.5 ± 5.7

0.7

V_65Gy

(%)

14.3 ± 6.5

14.1 ± 6.9

0.8

V_50Gy

(%)

32.9 ± 11.2

32.1 ± 12.3

0.8

V_45Gy

(%)

47.4 ± 12.2

46.7 ± 10.5

0.8

V_20Gy

(%)

97.5 ± 5.5

98.8 ± 3.7

0.3

Bladder

D_mean

(Gy)

49.1 ± 6.6

51.1 ± 6.9

0.5

D_2%

(Gy)

80.3 ± 1.2

80.6 ± 0.9

0.3

V_80Gy

(%)

4.1 ± 4.5

4.5 ± 5.2

0.7

V_75Gy

(%)

9.75 ± 5.5

10.0 ± 6.1

0.8

V_70Gy

(%)

22.7 ± 22.6

18.3 ± 15.8

0.4

V_65Gy

(%)

18.9 ± 8.9

20.8 ± 10.1

0.4

Bowel bag

V_45Gy

(cm³)

115.9 ± 23.1

125.9 ± 34.7

0.5