TABLE 2

SD of Observed VOIs as Function of Actual Sphere Volume and VOI Method

Sphere volumeSD
SBR = 9SBR = 4.5
A4150A50A70A4150A50A70
26.520.630.650.731.491.711.841.602.03
11.490.560.710.440.290.690.670.350.81
5.570.370.180.240.270.310.300.260.29
2.570.210.140.080.160.520.540.210.20
1.150.220.130.110.050.280.870.130.06