Physician self-reported treatment of brain metastases according to patients’ clinical and demographic factors and physician practice setting

Table 2 Unadjusted Response (in %) Among Radiation Oncologist (N=277)

	Lesions
	1				3				8
	Treatment Decisions (%)				Treatment Decisions (%)				Treatment Decisions (%)
	WBRT^*	WBRT+SRS	SRS†	SURG+WBRT	WBRT	WBRT+SRS	SRS	SURG+WBRT	WBRT	WBRT+SRS	SRS	SURG+WBRT
Patient Characteristics
1. Reference patient	1	26	29	44	21	54	23	2	91	7	3	0
2. Melanoma Metastasis	1	17	46	36	18	44	35	3	82	11	7	0
3. KPS 50	56	17	24	3	84	7	8	1	96	2	2	0
4. Extracranial Disease	51	19	23	7	73	15	11	0	94	3	2	0
5. Age 80	25	25	40	10	52	24	23	0	96	2	2	0
6. Focal Neurological Deficits	11	25	17	48	34	41	11	13	89	6	2	4
7. 3cm Brain Metastasis	11	22	5	63	42	29	2	27	72	16	0	11

¹ Abbreviations as follows: Whole Brain Radiation Therapy (WBRT); Whole Brain Radiation Therapy with Stereotactic Radiosurgery (WBRT+SRS); Stereotactic Radiosurgery (SRS); Surgery with Whole Brain Radiation Therapy (SURG+WBRT).
² The reference patient was a 55 year-old patient with non-small cell lung cancer, inactive extracranial disease, KPS 80%, and an asymptomatic, small brain lesion.
³ Patient characteristics were varied sequentially with each patient differing by a single characteristic from the reference patient as shown in Figure 1.
* Whole brain radiation therapy.
† Stereotactic radiosurgery.

ISSN: 1748-717X