Table 3.

Comparison of postoperative dosimetric parameters between the 120–140 Gy and 140–160 Gy groups.

Parameter	120–140 Gy group			140–160 Gy group			P value
	Range	Median	M (SD)	Range	Median	M (SD)
D90 (Gy)	114.6–139.2	128.8	128.4(6.6)	140–179.4	149.3	153.2(10.4)	<0.001
V100 (%)	90.1–94.4	91.3	91.7 (1.2)	89.0–96.9	92.1	92.2 (1.8)	0.174
CI	0.62–0.81	0.76	0.74 (0.06)	0.61–0.83	0.75	0.74 (0.06)	0.744
EI (%)	6.8–38.9	21.7	21.8(8.9)	4.9–38.2	23.2	21.9(8.7)	0.901

M, mean; SD, standard deviation.