Table 4.
Revision TKA procedure demographics by U.S. census region
| Procedure | U.S. census region | ||||
|---|---|---|---|---|---|
| Northeast | Midwest | South | West | Total | |
| 00.80 All component revision | 3298 (5.5%) | 6079 (10.1%) | 7785 (12.9%) | 4123 (6.8%) | 21,285 (35.2%) |
| 00.81 Tibial component revision | 804 (1.3%) | 1648 (2.7%) | 2174 (3.6%) | 1149 (1.9%) | 5774 (9.6%) |
| 00.82 Femoral component revision | 311 (0.5%) | 660 (1.1%) | 1008 (1.7%) | 457 (0.8%) | 2436 (4.0%) |
| 00.83 Patellar component revision | 541 (0.9%) | 788 (1.3%) | 1261 (2.1%) | 532 (0.9%) | 3122 (5.2%) |
| 00.84 Isolated tibial insert exchange | 911 (1.5%) | 1394 (2.3%) | 1969 (3.3%) | 1209 (2.0%) | 5483 (9.1%) |
| 80.06 Arthrotomy/removal of prosthesis | 1560 (2.6%) | 2370 (3.9%) | 3576 (5.9%) | 1695 (2.8%) | 9202 (15.2%) |
| 81.55 Knee revision, NOS | 1166 (1.9%) | 1474 (2.4%) | 2309 (3.8%) | 729 (1.2%) | 5678 (9.4%) |
| Other combinations | 567 (0.9%) | 665 (1.1%) | 1000 (1.7%) | 615 (1.0%) | 2847 (4.7%) |
| Total | 9836 (16.3%) | 16,509 (27.3%) | 22,681 (37.5%) | 11,410 (18.9%) | 60,436 (100.0%) |
Northeast = Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont, New Jersey, New York, Pennsylvania. Midwest = Indiana, Illinois, Michigan, Ohio, Wisconsin, Iowa, Nebraska, Kansas, North Dakota, Minnesota, South Dakota, Missouri. South = Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia, Alabama, Kentucky, Mississippi, Tennessee, Arkansas, Louisiana, Oklahoma, Texas. West = Arizona, Colorado, Idaho, New Mexico, Montana, Utah, Nevada, Wyoming, Alaska, California, Hawaii, Oregon, Washington.