Table 3.
Difference in the DVH points relative to the pCT presented as median (range)
| Structure (number of patients) | DVH point | dCT expressed as a percentage | ReCT expressed as a percentage |
|---|---|---|---|
| GTV-T (5) | Dmedian | 0.3 (0.1–2.4) | 0.3 (0.0–1.0) |
| D98% | −0.1 (−0.2–0.2) | 0.1 (−0.8–1.4) | |
| D2% | 0.0 (−0.3–0.2) | 0.0 (0.0–0.0) | |
| GTV-N sin (4) | Dmedian | 0.0 (0.0–0.0) | 0.7 (0.2–1.0) |
| D98% | −1.3 (−3.8–1.5) | −0.1 (−1.7–1.7) | |
| D2% | 0.9 (−3.8–1.5) | 0.7 (−0.2–1.2) | |
| GTV-N dxt (4) | Dmedian | 0.6 (−2.6–0.8) | 0.9 (0.8–1.0) |
| D98% | 1.0 (0.2–1.2) | 1.0 (0.6–2.2) | |
| D2% | 1.3 (−0.5–4.5) | 1.0 (0.6–1.6) | |
| CTV-T (5) | Dmedian | 0.5 (0.4–0.5) | 0.4 (0.3–0.8) |
| D98% | −0.1 (−0.2–0.2) | −0.1 (−0.2–0.2) | |
| D2% | 0.4 (0.2–1.2) | 0.5 (0.2–1.3) | |
| CTV-N sin (4) | Dmedian | 0.2 (−0.1–3.8) | −0.1 (−0.2–1.4) |
| D98% | −1.0 (−3.5–0.9) | 0.0 (−0.2–0.0) | |
| D2% | 1.1 (0.7–3.9) | 0.8 (0.0–1.5) | |
| CTV-N dxt (4) | Dmedian | 0.6 (−0.1–0.9) | 1.0 (0.4–1.2) |
| D98% | 0.7(−3.8–0.9) | 0.8 (−4.1–1.5) | |
| D2% | 0.8 (0.7–2.1) | 1.3 (0.7–1.8) | |
| Parotid dxt (7) | Dmean | 9.4 (3.1–44.4) | −0.9 (−14.7–15.0) |
| Parotid sin (7) | Dmean | 5.6 (0.0–22.9) | 0.0 (−14.4–32.3) |
| Spinal cord (7) | Dmax | 0.2 (−2.9–26.7) | 0.3 (−1.6–5.3) |