TABLE II.
Comparison of Observed Primary THA and TKA Procedure Volumes from the CMS Part B National Summary (Panel A)
| Year | Primary THA | Primary TKA | ||||
|---|---|---|---|---|---|---|
| Adjusted Volume | Change from Prior 5-Year Period | Cumulative Growth from Base Year (2000) | Adjusted Volume | Change from Prior 5-Year Period | Cumulative Growth from Base Year (2000) | |
| 2000 | 94,846 | — | — | 188,118 | — | — |
| 2005 | 123,949 | 30.68% | 30.68% | 299,107 | 59.00% | 59.00% |
| 2010 | 149,601 | 20.70% | 57.73% | 348,286 | 16.44% | 85.14% |
| 2015 | 205,586 | 37.42% | 116.76% | 394,259 | 13.20% | 109.58% |
| 2019* | 262,369 | 27.62% | 176.63% | 480,958 | 21.99% | 155.67% |
*
2015 to 2019 represents a 4-year interval.