. 2023 May 19;11:e15357. doi: 10.7717/peerj.15357

Table 2. Univariable and Multivariable logistic regression analysis for receiving SRS.

Variables		Univariable analysis	P-value	Multivariable analysis	P-value
		OR (95% CI)		OR (95% CI)
Age		1.01 (0.99–1.01)	0.69	…
Sex	Male	Ref		Ref
	Female	1.03 (0.92–1.15)	0.62	…
Race	White	Ref		Ref
	Black	1.08 (0.90–1.31)	0.41	…
	Other	0.94 (0.71–1.26)	0.69	…
Education	>=13% NHSD	0.91 (0.81–1.02)	0.11	NS	0.22
	<13% NHSD	Ref		Ref
Income	>=$35,000	Ref		Ref
	<35,000	1.02 (0.91–1.14)	0.77	0.88 (0.72–1.08)	0.23
Place of Living	Urban	Ref		Ref
	Rural	1.55 (0.94–2.57)	0.09	1.57 (0.94–2.61)	0.09
Hospital Type	Academic	Ref		Ref
	Community	0.97 (0.87–1.09)	0.63	…
Insurance Status	Yes	Ref		Ref
	No	1.10 (0.78–1.54)	0.59	…
Charlson/Deyo Score	0	Ref		Ref
	1	0.84 (0.74–0.96)	0.01	0.84 (0.73–0.96)	0.01
	>=2	0.768 (0.640–0.922)	0.01	0.78 (0.65–0.94)	0.01
Chemotherapy	Yes	Ref		Ref
	No	0.77 (0.68–0.87)	<0.01	0.82 (0.72–0.94)	<0.01
Primary Cancer	Breast	0.71 (0.45–1.13)	0.15	0.70 (0.44–1.13)	0.15
	NSCLC	0.91 (0.67–1.25)	0.58	0.90 (0.65–1.25)	0.52
	SCLC	0.95 (0.60–1.50)	0.83	0.95 (0.59–1.53)	0.84
	Other Lung	0.62 (0.41–0.95)	0.03	0.63 (0.41–0.97)	0.04
	Melanoma	0.61 (0.42–0.89)	0.01	0.65 (0.44–0.96)	0.03
	CRC	0.50 (0.28–0.91)	0.02	0.50 (0.27–0.92)	0.03
	Renal Cell	Ref		Ref
Year of Diagnosis	2010–2013	1.38 (1.23–1.54)	<0.01	1.36 (1.21–1.51)	<0.01
	2014–2015	Ref		Ref

Notes.