TABLE 1.
Normalized change in PTV volumes, minimum dose to PTV (ΔD min), and dose to 95% of the PTV (ΔD95%) resulting from re‐contouring (RECON) and after distortion corrections (CORR), with respect to the original (ORIG) volumes.
| RECON and CORR PTV volumes and dose relative to ORIG | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Δ PTV volume | DICE | JACCARD | Δ D min | Δ D95% | ||||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| RECON | −6.18 | 10.95 | 0.89 | 0.08 | 0.82 | 0.12 | −0.88 | 8.77 | −0.34 | 5.88 |
| CORR | 1.48 | 32.92 | 0.73 | 0.16 | 0.60 | 0.18 | −12.90 | 17.29 | −8.68 | 13.21 |
| p‐values | p = 0.04 | p < 0.01 | p < 0.01 | p < 0.01 | p < 0.01 | |||||
Note: p‐values comparing RECON and CORR changes calculated using Student's t‐test.