Table 1.

Patient Demographics, Levels Decompressed and Payor Information.

	Hospital (n = 354)	ASC (n = 417)	P -Value
Demographics
Age	58.0 ± 16.2	56.8 ± 14.5	0.300
Female	153 (43.2)	173 (41.5)	0.680
BMI	30.9 ± 6.95	29.2 ± 5.05	<0.001
ASA	2.39 ± 0.61	2.26 ± 0.56	0.003
Levels			<0.001
% 1 level	293 (82.8)	414 (99.3)
% 2 level	61 (17.2)	3 (0.7)
Payor			0.656
% medicare	105 (29.7)	120 (28.8)
% commercial	241 (68.1)	291 (69.8)
% other	8 (2.3)	6 (1.4)

p-values <0.05 in bold.