Parameter/median (range) | 80% concept | SiB concept | p | Figure |
---|---|---|---|---|
Number of monitor units | 1036 (904.4 to 1259) | 933.7 (893.5 to 1221) | 0.001 | 1a, 1b |
number of segments | 179 (96 to 274) | 162 (106 to 205) | – | 1b |
Dmean(GTV)/Gy | 42.4 (41.0 to 43.3) | 42.5 | – | 2a |
D98(GTV)/Gy | 40.1 (36.4 to 42.0) | 41.1 (40.4 to 41.5) | 0.01 | 2b |
D2(GTV)/ Gy | 43.9 (43.8 to 44.1) | 43.4 (43.0 to 43.7) | – | 2c |
HI(GTV) = (D2−D98)/D50 | 0.0894 (0.0447 to 0.1872) | 0.0513 (0.0397 to 0.0757) | 0.001 | 2d |
D2(GTV without PTV)/Gy | 41.9 (41.1 to 43.2) | 42.2 (41.3 to 42.8) | > 0.05 | 3a |
CIPaddick(PTV) | 0.88 (0.61 to 0.95) | 0.89 (0.73 to 0.93) | > 0.05 | 3b |
SADG*/Gy/mm | − 2.45 (− 4.16 to − 1.85) | − 3.14 (− 4.56 to − 2.02) | 0.01 | 3c |
V24Gy(brain) normalized [Values were created by normalizing original data to trend line in Fig. 3d] | 1.10 (0.749 to 1.28) | 0.968 (0.727 to 1.21) | 0.001 | 3d |