Table 2.

Comparison of preoperative and postoperative dosimetry parameters.

Parameter	120–140 Gy		140–160 Gy
	Preoperative	Postoperative	P*	Preoperative	Postoperative	P*
D90 (Gy)	129.2 (120.0–138.4)	128.8 (114.6–139.2)	0.465	150.0 (140.7–174.0)	149.3 (140.0–179.4)	0.546
V100 (%)	91.8 ± 1.2	91.7 ± 1.2	0.438	92.3 ± 1.5	92.2 ± 1.8	0.743
CI	0.76 (0.63–0.81)	0.76 (0.62–0.81)	0.265	0.75 (0.61–0.84)	0.75 (0.61–0.83)	0.442
EI (%)	21.1 (7.0–31.5)	21.8 (6.8–38.9)	0.223	22.0 (5.3–36.0)	23.2 (4.9–38.2)	0.272

Data are presented as median (range) for non-normally distributed variables and mean ± SD for normally distributed variables.