Table 3.

Results of prognostic factors related to stability

		n	%
Stability
	Prior to RT	72	54
	3 months after RT	96	61
	6 months after RT	107	68
General
		p value
	Age	0.27
	KPS	0.47
	Histology	0.90
	Number of metastases (1 vs. > 1)	0.27
	Area (thoracic vs. lumbar spine)	0.97
	Hormone receptor (positive vs. negative)	0.18
Therapy
	Overall dose	0.12
Therapy within 1 year before RT
	Chemotherapy (yes vs. no)	0.90
	Hormone therapy (yes vs. no)	0.12
	Bisphosphonates (yes vs. no)	0.62
Therapy after RT
	Chemotherapy (yes vs. no)	0.21
	Hormone therapy (yes vs. no)	0.88
	Bisphosphonates (yes vs. no)	0.36