Table 2.

Characteristics and response rates of the lesions in respondent and non-respondent groups in both studied timepoints.

	3 Months			6 Months
	Respondent Group (n = 18)	Non-Respondent Group (n = 24)	p-Value	Respondent Group (n = 28)	Non-Respondent Group (n = 14)	p-Value
GTV size (cc) *, mean ± SD	374.3 ± 426.5	491.0 ± 634.6	0.504	295.4 ± 376.2	732.2 ± 728.2	0.014
<5 cc	3	3		4	2
5–200 cc	5	11		12	3
200–500 cc	5	1		6	1
500–1000 cc	3	4		4	3
>1000 cc	2	5		2	5
PTV size (cc), mean ± SD	510.1 ± 534.9	654.1 ± 758.3.0	0.496	418.4 ± 479.6	940.4 ± 857.0	0.015
Prescribed Dose for SBRT, mean ± SD	34.3 ± 4.7	32.9 ± 5.2	0.377	33.9 ± 4.7	32.7 ± 5.5	0.449
27.5 Gy	1	4		2	3
30 Gy	7	11		12	6
35 Gy	4	3		5	2
40 Gy	6	5		9	2
45 Gy	-	1		-	1
50 Gy	-	-		-	-
Response Rate
CR	3	-		13	-
PR	15	-		15	-
SD	-	16		-	6
PD	-	8		-	8

* GTV was defined as VOI in this study.