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Table 2 Comparison of preoperative and postoperative dosimetry parameters

From: A novel three-dimensional template combined with MR-guided 125I brachytherapy for recurrent glioblastoma

Parameter

Preoperative

Postoperative

P value

Range

Median

M (SD)

Range

Median

M (SD)

D90 (Gy)

120.4–177.5

148.5

149.3 (13.6)

121.6–178.2

147.5

148.8 (14.3)

0.639

V100 (%)

90.0–94.7

91.7

91.8 (1.2)

90.1–95.0

91.3

91.6 (1.3)

0.488

V200 (%)

31.4–49.7

45.2

43.9 (4.9)

30.9–49.3

46.5

44.8 (4.8)

0.276

CI

0.69–0.85

0.77

0.77 (0.04)

0.67–0.83

0.76

0.76 (0.04)

0.067

EI (%)

8.6–29.3

18.5

18.3 (5.9)

10.9–36.6

18.7

19.7 (6.8)

0.076

  1. M Mean, SD Standard deviation