control group

x±s/n

experimental group

x±s/n

χ2

P

Gender

Male

14

16

0.139

0.709

Famale

46

44

Age

60.37 ± 7.09

61.09 ± 6.95

0.058

0.810

Tumor types

Cervical cancer

35

33

Endometrial cancer

10

9

0.876

0.831

Bladder cancer

7

10

Prostate Cancer

8

8

KPS

89.17 ± 6.96

88.50 ± 7.09

0.01

0.918

Surgery

Yes

38

36

0.001

0.984

No

22

21

Concurrent chemotherapy

Yes

20

18

0.041

0.839

No

40

39

Small intestine exposure dose

Dmax ≤ 52 Gy

and V50 < 5%

Dmax ≤ 52 Gy

and V50 ≥ 5%

59

1

55

2

0.397

0.612

Rectum exposure dose

V50<50%

V50≥50%

57

3

53

4

0.212

0.712