Table 2.

Demographic distribution.

Factors	Caucasian (n = 192)		African-American (n = 167)		Other (n = 13)		Total (n = 372)
ASA score
ASA 1	8	4.2%	1	0.6%	1	7.7%	10	2.7%
ASA 2	93	48.4%	80	47.9%	7	53.8%	180	48.4%
ASA ≤2	101	52.6%	81	48.5%	8	61.5%	190	51.1%
ASA 3	87	45.3%	85	50.9%	5	38.5%	177	47.6%
ASA 4	4	2.1%	1	0.6%	0	0.0%	5	1.3%
ASA ≥3	91	47.4%	86	51.5%	5	38.5%	182	48.9%
SOI score
Major+	30	15.6%	32	19.2%	2	15.4%	64	17.2%
Moderate	88	45.8%	84	50.3%	7	53.8%	179	48.1%
Minor	74	38.5%	51	30.5%	4	30.8%	129	34.7%
MP score
MP score 1	58	30.2%	49	29.3%	1	7.7%	108	29.0%
MP score 2	95	49.5%	80	47.9%	8	61.5%	183	49.2%
MP score 3	38	19.8%	36	21.6%	4	30.8%	78	21.0%
MP score 4	1	0.5%	2	1.2%	0	0.0%	3	0.8%
Discharge location
SNF	87	45.3%	114	68.3%	8	61.5%	209	56.2%
Rehab	26	13.5%	18	10.8%	3	23.1%	47	12.6%
Home	79	41.1%	35	21.0%	2	15.4%	116	31.2%
Insurance status
Medicaid	30	15.6%	54	32.3%	2	15.4%	86	23.1%
Medicare	74	38.5%	76	45.5%	8	61.5%	158	42.5%
Private insurance	88	45.8%	37	22.2%	3	23.1%	128	34.4%
Sex
Male	105	54.7%	75	44.9%	5	38.5%	185	49.7%
Female	87	45.3%	92	55.1%	8	61.5%	187	50.3%
Anesthesia
General anesthesia	150	78.1%	135	80.8%	13	100.0%	298	80.1%
Spinal	42	21.9%	32	19.2%	0	0.0%	74	19.9%
Characteristics
Revision	44	22.9%	38	22.8%	5	38.5%	87	23.4%
Complications	4	2.1%	3	1.8%	1	7.7%	8	2.2%
Average age (yrs)	39.4 ± 13.3		37.1 ± 12.8		41.9 ± 10.7		38.4 ± 13.0
Average BMI	29.3 ± 6.6		30.5 ± 7.2		30.2 ± 10.7		29.9 ± 7.1
Outcomes
Average LOS (days)	3.7 ± 2.0		3.9 ± 1.7		4.6 ± 2.3		3.8 ± 1.9
Average total cost	$16507 ± $6573		$16513 ± $5425		$19082 ± $9318		$16600 ± $6200