paediatrics Brussels 17

All strokes Comparison between average radiation dose and dose volume approachs

% of volume of cerebral arteries having received

Average radiation dose to the cerebral arteries

OR (95%CI)

OR (95%CI)

1 (reference)

0 (no Rt)

1 (reference)

1.7 (0.8-3.6)

< 1 Gy

1.7 (0.8-3.5)

4.6 (1.8-11.7)

1 – 4.99 Gy

9.7 (2.5-38.2)

6.5 (3.1-13.3)

5 -19.99 Gy

4.2 (1.2-15.2)

14.5 (6.7-31.4)

20 -39.99 Gy

15.9 (4.7-47.4)

43.9 (7.3-263)

40 or + Gy

55.3 (11.5-264)