Primary and aseptic revision knee replacement procedures revised for a knee prosthetic joint infection (PJI)
| Year of index procedure | Index primary replacement | Index aseptic revision replacement | ||||
| Total, N | Revised for PJI, n | Prevalence rate per 1000, 95% CI | Total, N | Revised for PJI, n | Prevalence rate per 1000, 95% CI | |
| Total | 679 010 | 3 659 | 5.39 (5.21 to 5.56) | 33 920 | 717 | 21.14 (19.61 to 22.67) |
| 2003 | 13 547 | 112 | 8.27 (6.74 to 9.79) | 534 | 24 | 44.94 (27.37 to 62.52) |
| 2004 | 27 706 | 184 | 6.64 (5.68 to 7.60) | 1001 | 24 | 23.98 (14.50 to 33.45) |
| 2005 | 41 848 | 314 | 7.50 (6.68 to 8.33) | 1612 | 41 | 25.43 (17.75 to 33.12) |
| 2006 | 49 482 | 346 | 6.99 (6.26 to 7.73) | 2094 | 55 | 26.27 (19.42 to 33.12) |
| 2007 | 66 618 | 471 | 7.07 (6.43 to 7.71) | 2847 | 60 | 21.07 (15.80 to 26.35) |
| 2008 | 73 859 | 443 | 6.00 (5.44 to 6.55) | 3538 | 87 | 24.59 (19.49 to 29.69) |
| 2009 | 75 612 | 465 | 6.15 (5.59 to 6.71) | 3884 | 91 | 23.43 (18.67 to 28.19) |
| 2010 | 78 276 | 423 | 5.40 (4.89 to 5.92) | 4196 | 102 | 24.31 (19.65 to 28.97) |
| 2011 | 81 795 | 378 | 4.62 (4.16 to 5.09) | 4336 | 81 | 18.68 (14.65 to 22.71) |
| 2012 | 85 161 | 341 | 4.00 (3.58 to 4.43) | 5115 | 93 | 18.18 (14.52 to 21.84) |
| 2013 | 85 106 | 182 | 2.14 (1.83 to 2.45) | 4763 | 59 | 12.39 (9.25 to 15.53) |