Table 3.
Comparison of OAR dose‐volume criteria, OAR maximum dose, and target coverage for PBS and DS plans in 10 patients
| DS | PBS | Difference (DS‐PBS) | ||||||
|---|---|---|---|---|---|---|---|---|
| Mean | (25th~75th) | Mean | (25th~75th) | Mean | (25th~75th) | p‐value | ||
| Lung | ||||||||
| V5 (%) | 35.0 | (28.7~41.4) | 30.7 | (24.4~37.0) | 4.3 | (2.8~5.5) | 0.003 | |
| V20 (%) | 29.0 | (21.7~34.4) | 24.6 | (18.8~30.7) | 4.4 | (1.9~6.6) | 0.001 | |
| Mean dose (Gy) | 16.4 | (11.7~19.7) | 14.1 | (10.5~17.2) | 2.3 | (1.4~3.2) |
|
|
| Heart | ||||||||
| V30 (%) | 10.5 | (4.8~14.8) | 8.2 | (1.8~11.5) | 2.3 | (1.1~3.3) | 0.004 | |
| V45 (%) | 7.5 | (2.9~11.2) | 5.5 | (0.9~7.7) | 2.0 | (0.9~3.4) | 0.146 | |
| Max dose | ||||||||
| iCTV (Gy) | 77.2 | (75.1~79.1) | 72.3 | (71.6~72.9) | 5.0 | (3.1~6.5) |
|
|
| Cord (Gy) | 37.2 | (34.8~45.4) | 31.9 | (28.0~42.2) | 5.3 | (1.2~7.3) | 0.012 | |
| Esophagus (Gy) | 71.6 | (69.3~73.4) | 67.8 | (69.4~71.1) | 3.7 | (0.7~4.1) | 0.049 | |
| Heart (Gy) | 69.1 | (71.7~75.4) | 64.7 | (70.2~71.3) | 4.5 | (1.5~5.0) | 0.016 | |
| Criteria | ||||||||
| ID(GyL) | 1.30 | (0.87~1.67) | 1.10 | (0.78~1.32) | 0.2 | (0.08~0.34) | 0.002 | |
| CI | 3.2 | (2.3~3.7) | 2.8 | (2.1~3.4) | 0.4 | (‐0.06~0.75) | 0.056 | |
| CQ | 0.99 | (0.99~1.00) | 1.00 | (1.00~1.00) |
|
(~0.00) | 0.007 | |
| HI | 0.08 | (0.06~ 0.09) | 0.04 | (0.04~ 0.04) | 0.04 | (0.03~0.05) |
|
|