TABLE IV.
Log-Linear OLS Projections (2020 to 2060) for Primary THA, TKA, and TJA*
| Year (5-Year Intervals) | Primary THA (no. of procedures) | Primary TKA (no. of procedures) | Primary TJA (Primary THA + Primary TKA) (no. of procedures) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Projection | 95% FI, Lower | 95% FI, Upper | Projection | 95% FI, Lower | 95% FI, Upper | Projection | 95% FI, Lower | 95% FI, Upper | |
| 2020 | 261,079 | 236,389 | 288,348 | 512,584 | 441,259 | 595,438 | 773,663 | 677,648 | 883,785 |
| 2025 | 336,369 | 302,227 | 374,369 | 637,058 | 542,090 | 748,664 | 973,428 | 844,316 | 1,123,034 |
| 2030 | 433,372 | 385,580 | 487,087 | 791,760 | 663,830 | 944,343 | 1,225,132 | 1,049,410 | 1,431,430 |
| 2035 | 558,348 | 491,117 | 634,782 | 984,029 | 810,905 | 1,194,114 | 1,542,376 | 1,302,022 | 1,828,896 |
| 2040 | 719,364 | 624,766 | 828,286 | 1,222,988 | 988,714 | 1,512,772 | 1,942,352 | 1,613,479 | 2,341,059 |
| 2045 | 926,815 | 794,041 | 1,081,789 | 1,519,975 | 1,203,813 | 1,919,171 | 2,446,789 | 1,997,854 | 3,000,960 |
| 2050 | 1,194,090 | 1,008,467 | 1,413,880 | 1,889,081 | 1,464,143 | 2,437,350 | 3,083,171 | 2,472,609 | 3,851,230 |
| 2055 | 1,538,442 | 1,280,100 | 1,848,921 | 2,347,820 | 1,779,312 | 3,097,973 | 3,886,263 | 3,059,412 | 4,946,894 |
| 2060 | 1,982,099 | 1,624,215 | 2,418,839 | 2,917,959 | 2,160,951 | 3,940,156 | 4,900,058 | 3,785,166 | 6,358,996 |
*
FI = forecast interval.