Table 3.
DVH parameters in both actual treatment and experimental planning
| X-ray group | |||||
| Actual X-ray plan (95% CI) | Experimental proton plan (95% CI) | ||||
| Lung V5 | 45.57 | (40.64–50.50) | 18.89 | (16.90–20.88) | P = 1.48*10−10 |
| Lung V10 | 33.36 | (28.68–38.04) | 15.51 | (13.87–17.15) | P = 2.15*10−8 |
| Lung V20 | 23.98 | (20.56–27.40) | 10.61 | (9.36–11.86) | P = 8.35*10−9 |
| MLD | 12.69 | (11.03–14.35) | 4.72 | (4.12–5.32) | P = 3.84*10−10 |
| Heart V30 | 65.03 | (48.58–81.48) | 18.84 | (11.26–26.42) | P = 9.10*10−4 |
| Heart V40 | 55.65 | (40.13–71.17) | 9.54 | (4.42–14.66) | P = 1.41*10−4 |
| Heart V50 | 18.89 | (10.33–27.45) | 5.41 | (1.65–9.17) | P = 4.70*10−3 |
| Proton group | |||||
| Actual proton plan (95% CI) |
Experimental X-ray plan (95% CI) | ||||
| Lung V5 | 19.56 | (22.29–16.83) | 34.30 | (29.89–38.71) | P = 1.75*10−8 |
| Lung V10 | 16.77 | (14.33–19.21) | 26.77 | (23.12–30.42) | P = 8.01*10−7 |
| Lung V20 | 12.54 | (10.44–14.64) | 19.58 | (16.83–22.33) | P = 5.90*10−5 |
| MLD | 5.73 | (4.73–6.73) | 9.32 | (8.03–10.61) | P = 6.39*10−6 |
| Heart V30 | 21.51 | (16.94–26.08) | 63.29 | (52.43–74.15) | P = 8.22*10−8 |
| Heart V40 | 15.29 | (11.74–18.84) | 51.78 | (41.45–62.11) | P = 7.53*10−7 |
| Heart V50 | 5.51 | (2.63–8.39) | 28.96 | (21.54–36.38) | P = 2.62*10−4 |