Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Demographic Summary
| Factors | TKA (N = 6,179) | |
| N | % | |
| Mean age (SD) | 58.8 (5.5) | |
| Age category | ||
| 18-34 | 24 | 0.4 |
| 35-44 | 89 | 1.4 |
| 45-54 | 1,049 | 17.0 |
| 55-65 | 5,017 | 81.2 |
| Sex | ||
| Male | 2,411 | 39.1 |
| Female | 3,755 | 60.9 |
| Race | ||
| White | 5,046 | 81.7 |
| Black | 300 | 4.9 |
| Other | 833 | 13.5 |
| Charlson comorbidity index | ||
| 0 | 5,440 | 88. |
| 1 | 475 | 7.7 |
| ≥2 | 264 | 4.3 |
TKA = total knee arthroplasty
