Table 2.
Comparison among PM and both 3D dosimetry methods (LDM and DPK) in terms of mean absorbed dose delivered to target and whole normal liver: Bland Altman analysis, Pearson’s correlation, and Lin concordance coefficients
| Bland-Altman | Correlation and concordance coefficients | |||
|---|---|---|---|---|
| (Gy) | Bias [95%CI] (Gy) | ρ | ρc | |
| Target normal liver | ||||
| PM-DPK | 4.7 | − 4.8; 14.2 | 0.99 | 0.94 |
| PM-LDM | 4.2 | − 4.9; 13.2 | 0.99 | 0.95 |
| LDM-DPK | 0.6 | − 0.1; 1.3 | 1.00 | 1.00 |
| Whole normal liver | ||||
| PM-DPK | 1.1 | − 0.1; 2.4 | 1.00 | 0.99 |
| PM-LDM | 0.7 | − 0.3; 1.7 | 1.00 | 1.00 |
| LDM-DPK | 0.4 | 0.0; 0.8 | 1.00 | 1.00 |