Table 1.
Patient demographics
|
|
Knees (n = 255)
|
| Sex, n (%) | |
| Male | 88 (34.5) |
| Female | 167 (65.5) |
| Age (yr) [range] | 60.6 [32-83] |
| Race, n (%) | |
| White | 112 (43.9) |
| African American | 63 (24.7) |
| Asian | 10 (3.9) |
| Other | 70 (27.5) |
| Smoking status, n (%) | |
| Current | 14 (5.5) |
| Former | 92 (36.1) |
| Never | 149 (58.4) |
| Insurance status, n (%) | |
| Medicare | 79 (31.0) |
| Medicaid | 32 (12.5) |
| Commercial | 144 (56.5) |
| ASA score, n (%) | |
| 1 | 4 (1.6) |
| 2 | 148 (58.0) |
| 3 | 102 (40.0) |
| 4 | 1 (0.4) |
| BMI (kg/m2) [range] | 33.5 [16.8-57.8] |
| CCI | 3.0 ± 2.2 |
| Primary diagnosis, n (%) | |
| Primary OA | 247 (96.9) |
| Post-Traumatic OA | 7 (2.7) |
| AVN | 1 (0.4) |
ASA: American Society of Anesthesiologists; BMI: Body mass index; CCI: Charlson Comorbidity Index; OA: Osteoarthritis; AVN: Avascular necrosis.