Table 4.
Integral dose comparison of the normal tissue between the three plans (n=12; arithmetical mean)
| Parameters | 3D-CRT | IMRT | VMAT | 3D-CRT vs IMRT | IMRT vs VMAT | 3D-CRT vs VMAT |
| Dintegral (Gy×l) | 79.094±25.26 | 93.409±29.81 | 122.205±28.29 | 0.0003 (<0.01) | <0.0001 (<0.0001) | <0.0001 (<0.0001) |
3D, three dimensional; CRT, conformal radiotherapy; Dmean, mean dose; IMRT, intensity-modulated radiotherapy; V10, volume receiving 10 Gy; V2, volume receiving 2 Gy; V20, volume receiving 20 Gy; V30, volume receiving 30 Gy; V40, volume receiving 40 Gy; V5, volume receiving 5 Gy; VMAT, volumetric modulated arc therapy.