Table 3.
Median and interquartile range (Q1, Q3) plan parameters of the replanned doses based on autosegmented contours using precision (asPREC) and MIM (asMIM) vs. replanned doses based on manual contours (MAN).
| Structure | Parameters | Replanning | ||||
|---|---|---|---|---|---|---|
| MAN_Rp | asPREC_Rp – MAN_Rp | ρ | asMIM_Rp – MAN_Rp | ρ | ||
| PTV | Coverage (%) | 82.5 (75.1, 88.7) | -0.5 (-3.5, 1.6) | NS | -2.7 (-7.4, 0.2) | <.001 |
| Dmean (Gy) | 42.5 (41.5, 43.7) | 0.0 (-0.3, 0.6) | NS | -0.2 (-1.0, 0.4) | 0.04 | |
| Dmin (Gy) | 26.4 (24.6, 28.0) | 0.0 (-0.8, 0.8) | NS | 0.0 (-1.1, 1.0) | NS | |
| GTV | Coverage (%) | 95.6 (90.7, 98.9) | -0.1 (-1.9, 1.1) | NS | -1.6 (-4.0, 0.0) | <.001 |
| Dmean (Gy) | 45.3 (44.2, 46.1) | 0.3 (-0.2, 0.9) | .001 | 0.0 (-0.8, 0.6) | NS | |
| Stomach | V35 Gy (cc) | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.1) | <.001 | 0.0 (0.0, 0.3) | <.001 |
| Dmean (Gy) | 5.2 (3.2, 7.5) | 0.0 (-0.3, 0.4) | NS | 0.0 (-0.4, 0.5) | NS | |
| Duodenum | V35 Gy (cc) | 0.0 (0.0, 0.0) | 0.1 (0.0, 0.4) | <.001 | 0.0 (0.0, 0.4) | <.001 |
| Dmean (Gy) | 9.5 (4.9, 12.1) | -0.2 (-0.6, 0.2) | .02 | -0.1 (-0.4, 0.3) | NS | |
| Bowel | V35 Gy (cc) | 0.0 (0.0, 0.0) | 0.0 (0.0, 0.0) | NS | 0.0 (0.0, 0.0) | NS |
| Dmean (Gy) | 1.8 (1.0, 2.6) | 0.0 (-0.1, 0.1) | NS | 0.0 (-0.2, 0.1) | .01 | |
Statistically not significant (NS) for p > 0.05.