Table 3 The dosimetric parameters of 125I seeds implantation (x ± s)

Number of needles

10.76 ± 4.05

9.76 ± 3.80

9.82 ± 3.75

0.010

0.007

0.332

Number of seeds

48.00 ± 16.80

46.82 ± 18.25

47.88 ± 18.75

0.595

0.962

0.070

GTV volume (cm3)

26.41 ± 16.2

26.71 ± 17.43

26.72 ± 17.46

0.585

0.629

0.952

D90

140.55 ± 23.93

124.25 ± 28.04

128.98 ± 22.75

0.036

0.102

0.338

D100

66.70 ± 16.77

58.14 ± 21.24

61.51 ± 15.86

0.169

0.459

0.500

V100

24.83 ± 15.94

22.71 ± 12.1

23.64 ± 13.75

0.142

0.317

0.129

V150

20.02 ± 13.32

17.45 ± 10.15

18.74 ± 11.53

0.058

0.302

0.056

V200

14.51 ± 11.02

12.38 ± 8.07

23.59 ± 8.97

0.119

0.451

0.072

CI

0.54 ± 0.16

0.50 ± 0.15

0.50 ± 0.17

0.68

0.342

0.985

EI

0.90 ± 1.00

0.91 ± 0.90

1.06 ± 0.99

0.981

0.553

0.119

HI

0.22 ± 0.07

0.25 ± 0.09

0.21 ± 0.08

0.380

0.637

0.117