Table 2.
Summary of the DVH analysis for the treatment plans of all patients
| Factor | Volume (cm3) | Dose–volume objective | Mean ± SD | Range |
|---|---|---|---|---|
| PTV | 99.6 ± 45.2 | V 95 > 90% | 92.2 ± 2.9 (%) | 89.8–97.1 (%) |
| D 95 > 90% | 93.9 ± 2.6 (%) | 91.9–97.6(%) | ||
| ITV | 54.9 ± 33.1 | V 95 > 95% | 99.7 ± 0.5 (%) | 99.0–100 (%) |
| D 95 > 95% | 98.8 ± 2.0 (%) | 96.8–100 (%) | ||
| Liver | 1143.5 ± 522.0 | V 15Gy < 100 (%) | 17.9 ± 11.8 (%) | 7.3–33.9 (%) |
| Common bile duct | 5.3 ± 3.0 | D max < 40 Gy | 33.5 ± 10.6 (Gy) | 15.8–40.7 (Gy) |
| Duodenum | 75.6 ± 58.7 | V 36Gy < 1% | 0.1 ± 0.2 (%) | 0–0.3 (%) |
| Stomach | 322.4 ± 185.8 | V 36Gy < 3% | 2.0 ± 1.4 (%) | 0–3.3 (%) |
| Small bowel | 43.6 ± 26.0 | V 36Gy < 3% | 0.9 ± 0.9 (%) | 0–1.8 (%) |
| Left kidney | 150.5 ± 35.9 | V 15Gy < 35% | 13.2 ± 10.2 (%) | 0–25.4 (%) |
| Right kidney | 140.2 ± 39.1 | V 15Gy < 35% | 9.2 ± 7.9 (%) | 0–20.3 (%) |
| Spine | 38.5 ± 8.7 | D max < 18Gy | 14.8 ± 3.2 (Gy) | 9.9–17.9 (Gy) |