Table 6 Dosimetric comparisons of plans with pre-correction margins and plans with post-correction margins for OARs in 40 NPC patients

56.93 ± 5.48

55.62 ± 5.23

1.31 ± 1.08

<0.001

37.95 ± 3.81

36.91 ± 3.45

1.04 ± 1.41

<0.001

51.89 ± 15.01

50.97 ± 14.48

0.91 ± 2.20

0.012

51.58 ± 16.49

50.90 ± 16.57

0.68 ± 2.81

0.134

58.84 ± 13.35

58.63 ± 12.90

0.21 ± 2.36

0.578

5.85 ± 1.81

5.81 ± 1.82

0.04 ± 0.23

0.327

5.88 ± 1.86

5.84 ± 1.84

0.04 ± 0.21

0.223

37.31 ± 4.29

34.66 ± 4.17

2.65 ± 1.33

<0.001

60.81 ± 15.83

53.35 ± 15.39

7.46 ± 7.18

<0.001

37.31 ± 4.08

34.44 ± 4.20

2.87 ± 1.42

<0.001

61.16 ± 15.25

52.27 ± 15.92

8.89 ± 8.51

<0.001

63.67 ± 6.94

62.73 ± 7.47

0.94 ± 2.17

0.009

64.58 ± 6.24

63.14 ± 6.35

1.44 ± 2.03

<0.001

60.24 ± 3.43

58.56 ± 4.36

1.67 ± 2.10

<0.001

60.28 ± 4.56

58.28 ± 5.18

2.00 ± 1.83

<0.001

44.67 ± 10.59

42.16 ± 10.79

2.51 ± 4.24

0.001

45.46 ± 12.14

43.40 ± 10.99

2.06 ± 3.25

<0.001

49.36 ± 7.98

47.69 ± 7.67

1.67 ± 1.61

<0.001

49.86 ± 8.42

48.00 ± 8.17

1.87 ± 2.22

<0.001

47.09 ± 2.57

45.98 ± 2.52

1.11 ± 1.46

<0.001