Table 2 Coefficients of the best fit curves, with 95% confidence interval (round brackets), to the normalized dose profile as a function of the z distance and the t thickness.
t (mm) | z0 (mm) | a1 (Gy cm2/MBq) | a2 (mm−1) |
|---|---|---|---|
0 | 0 | 170.9 (166.1, 175.7) | − 7.2 (− 7.6, 6.8) |
1 | 0.5 | 115.7 (112.5, 118.9) | − 6.7 (− 6.9, -6.4) |
3 | 1.5 | 68.5 (66.3, 70.8) | − 6.7 (− 7.0, -6.4) |
5 | 2.5 | 46.3 (46.3, 47.83) | − 6.8 (− 7.11, -6.5) |