Table 1 Median (min–max) dose values of PTV_brain, PTV_spinal, and PTV_total coverage, Dmean, Dmax, CI, and HI
Pediatric | Conformal (n = 7) median (min–max) | IMRT (n = 4) median (min–max) | VMAT (n = 9) median (min–max) | Tomotherapy (n = 5) median (min–max) | Proton n = 1 value |
|---|---|---|---|---|---|
PTV_brain V95% | 99.8 (98.5–100) | 98.9 (94.3–99.6) | 99.2 (97.1–99.9) | 99.4 (98.4–100) | 100 |
PTV_brain V100% | 96.8 (46.2–99.5) | 96.8 (66.1–98.8) | 94.8 (82.7–96.4) | 86.9 (58.9–95.4) | 98.8 |
PTV_brain Dmean (Gy) | 37.5 (36.0–41.4) | 37.8 (36.1–37.9) | 37.8 (36.6–38.1) | 36.5 (36.1–37.3) | 36.7 |
PTV_brain Dmax | 40.4 (38.7–45.7) | 40.5 (39.3–41.1) | 40.2 (38.9–42.5) | 38.4 (37.9–39.9) | 38.6 |
PTV_brain CI | 1.9 (1.0–2.2) | 1.3 (0.9–1.4) | 1.22 (1.0–1.3) | 1.2 (0.8–1.3) | 1.4 |
PTV_brain HI | 0.1 (0.1–0.3) | 0.2 (0.1–0.2) | 0.1 (0.1–0.2) | 0.1 (0.1–0.2) | 0.1 |
PTV_spine V95% | 98.6 (95.5–99.9) | 99.3 (97.0–99.8) | 99.4 (97.4–99.9) | 98.7 (97.5–100) | 100 |
PTV_spine V100% | 90 (72.9–95.2) | 95.6 (83.6–98.6) | 92.8 (78.6–97.2) | 95.2 (54.5–94.7) | 97.6 |
PTV_spine Dmean | 38.8 (37.2–39.8) | 37.5 (36.7–37.7) | 37.5 (36.5–38.2) | 36.9 (36.0–37.4) | 36.5 |
PTV_spine Dmax | 45.0 (41.7–49.0) | 41.3 (39.3–42.0) | 40.3 (38.7–41.9) | 38.7 (38.6–41.8) | 37.9 |
PTV_spine CI | 8.2 (4.5–9.6) | 5.9 (4.0–6.2) | 5.4 (4.5–5.6) | 5.2 (3.5–5.5) | 6.0 |
PTV_spine HI | 0.2 (0.2–0.4) | 0.2 (0.1–0.5) | 0.1 (0.1–0.2) | 0.1 (0.1–0.2) | 0.0 |
PTV_total V95% | 99.6 (98.2–99.9) | 98.8 (95.2–99.6) | 99.3 (97.1–99.7) | 99.2 (98.5–100) | 100 |
PTV_total V100% | 96.1 (51.1–98) | 96.6 (69.3–98.7) | 95.6 (82. 2–95.7) | 87.8 (58.0–95.3) | 98.6 |
PTV_total Dmean | 37.8 (36.2–41.1) | 37.8 (36.2–37.9) | 37.4 (36.6–38.1) | 36.5 (36.1–37.3) | 36.6 |
PTV_total Dmax | 45.0 (41.7–49) | 41.3 (39.3–42.0) | 40.4 (38.9–42.5) | 38.7 (38.6–41.8) | 38.6 |
PTV_total CI | 1.5 (0.8–1.8) | 1.1 (0.7–1.2) | 1 (0.8–1.0) | 1.0 (0.7–1.0) | 1.1 |
PTV_total HI | 0.2 (0.2–0.3) | 0.8 (0.1–0.2) | 0.1 (0.1–0.2) | 0.1 (0.1–0.1) | 0.0 |
Body-PTV_total V2% | 34.5 (31.1–43.1) | 53.7 (48.9–54.8) | 54.3 (39.7–64.9) | 60 (55.8–66.1) | 13.2 |
Body-PTV_total V5% | 23.5 (21.6–32.4) | 35.8 (34.8–41.4) | 41.7 (32.7–48.4) | 45.4 (35.3–49.7) | 11.4 |
Body-PTV_total V10% | 20.3 (18.5–30.2) | 21.6 (18.1–23.3) | 24 (21.3–27.5) | 24.1 (21.7–31.4) | 9.8 |