Table 1.

Evaluated dosimetric parameters of PTV for comparison of two different plans

Values are presented as mean ± standard deviation.

PTV, planning target volume; CRT, conformal radiotherapy; V_{n Gy}, percentage of the volume receiving radiation ≥ n Gy; D_min, minimum dose to the PTV; D_max, maximum dose to the PTV; RCI, radiation conformity index (V_PTV / V_{95% of prescribed dose}), rDHI, radical dose homogeneity index (D_min / D_max in PTV ≤ 1).

^a)Mann-Whitney test, except mean dose (compared using t-test) which showed normal distribution.