Table 1.
Characteristics | Primary THA | Primary TKA | Revision THA | Revision TKA |
---|---|---|---|---|
Number of patients | 35,746 | 72,913 | 1205 | 1599 |
Percent female | 64.7% | 65.2% | 63.3% | 62.5% |
Percent white | 94.3% | 92.3% | 94.4% | 91.2% |
Average age ± SD (years) | 74.8 ± 6.5 | 73.6 ± 5.8 | 73.8 ± 6.1 | 72.1 ± 5.3 |