Introduction
Methods
Phantom Design and Experiment
Mathematical Reference Value of H/M Ratio
Cross Calibration
Statistics
Results
H/M Ratio Measured in Two Phantom Conditions
Conversion Coefficients Determined by 2 Data Points
Europe | Japan* |
P values between Europe and Japan | |||||
---|---|---|---|---|---|---|---|
N
| Mean |
SD
|
N
| Mean |
SD
| ||
LEHR | 103 | 0.553 | 0.018 | 73 | 0.552 | 0.048 | 0.85 |
LEGP+LEAP group** | 10 | 0.591 | 0.024 | 25 | 0.648 | 0.036 | <0.0001 |
LEGP | 4 | 0.570 | 0.011 | 17 | 0.654 | 0.037 | 0.0003 |
LEAP | 6 | 0.605 | 0.020 | 2 | 0.624 | 0.014 | 0.15 |
LMEGP | 16 | 0.824 | 0.035 | 46 | 0.829 | 0.055 | 0.74 |
MEGP+MELP group | 81 | 0.891 | 0.025 | 53 | 0.895 | 0.061 | 0.60 |
MEGP*** | 28 | 0.882 | 0.017 | 40 | 0.878 | 0.054 | 0.71 |
MELP | 53 | 0.895 | 0.027 | 13 | 0.950 | 0.051 | <0.0001 |