变量

发生放射性肺炎

未发生放射性肺炎

t

P

年龄

59.97 ± 10.35

63.64 ± 8.69

−1.903

0.06

处方剂量

60.19 ± 3.02

57.65 ± 5.38

2.919

0.004

患肺MLD

18.21 ± 5.88

15.85 ± 5.06

2.122

0.036

健肺MLD

6.66 ± 2.56

6.00 ± 3.00

1.126

0.263

双肺MLD

12.00 ± 3.80

10.59 ± 3.51

1.878

0.063

患肺V10

55.57 ± 10.74

47.67 ± 13.37

3.065

0.003

患肺V20

39.24 ± 7.77

32.61 ± 10.30

3.395

0.001

患肺V30

26.92 ± 7.60

21.52 ± 8.07

3.31

0.001

健肺V5

43.92 ± 11.03

45.85 ± 64.99

−0.18

0.858

健肺V10

21.39 ± 10.95

19.03 ± 12.95

0.929

0.355

健肺V20

7.24 ± 5.53

6.81 ± 6.17

0.352

0.725

健肺V30

3.13 ± 3.10

2.77 ± 3.01

0.573

0.568

双肺V5

54.02 ± 10.22

47.70 ± 14.40

2.347

0.021

双肺V10

37.26 ± 7.60

32.14 ± 10.90

2.518

0.013

双肺V20

21.91 ± 4.91

18.88 ± 6.30

2.516

0.013

双肺V30

14.08 ± 4.22

11.55 ± 4.19

2.909

0.004