Table 1.

Patient demographics.

THA (n = 1999)
	Caucasian (n = 1636)	African-American (n = 177)	Other Races (n = 186)	P-Value
Age	64.55 ± 10.36	59.03 ± 12.29	59.02 ± 13.46	<0.001
Gender				0.675
Female	925 (56.5%)	103 (58.2%)	111 (59.7%)
Male	711 (43.5%)	74 (41.8%)	75 (40.3%)
BMI (kg/m2)	28.42 ± 5.87	31.08 ± 6.96	28.25 ± 5.91	<0.001
ASA				0.575
1	148 (9.0%)	13 (7.3%)	22 (11.8%)
2	1050 (64.2%)	114 (64.4%)	115 (61.8%)
3	419 (25.6%)	50 (28.2%)	47 (25.3%)
4	19 (1.2%)	0 (0.0%)	2 (1.1%)
Smoking Status				<0.001
Never Smoker	920 (56.2%)	110 (62.1%)	103 (55.4%)
Former Smoker	647 (39.5%)	47 (26.6%)	59 (31.7%)
Current Smoker	69 (4.2%)	20 (11.3%)	24 (12.9%)
TKA (n = 1375)
	Caucasian (n = 864)	African-American (n = 236)	Other Races (n = 275)	P-Value
Age	68.27 ± 8.92	62.43 ± 8.99	63.15 ± 9.75	<0.001
Gender				<0.001
Female	514 (59.5%)	199 (84.3%)	196 (71.3%)
Male	350 (40.5%)	37 (15.7%)	79 (28.7%)
BMI (kg/m2)	31.16 ± 6.59	34.47 ± 6.53	31.64 ± 7.20	<0.001
ASA				0.447
1	27 (3.1%)	9 (3.8%)	10 (3.6%)
2	484 (56.0%)	128 (54.2%)	162 (58.9%)
3	340 (39.4%)	97 (41.1%)	103 (37.5%)
4	13 (1.5%)	2 (0.8%)	0 (0.0%)
Smoking Status				<0.001
Never Smoker	441 (51.0%)	158 (66.9%)	162 (58.9%)
Former Smoker	396 (45.8%)	66 (28.0%)	97 (35.3%)
Current Smoker	27 (3.1%)	12 (5.1%)	16 (5.8%)

∗P-values are derived using one-way ANOVA for numerical values or χ2 tests for categorical values.