Table 2.
Cumulative revision incidence for stratified age subgroups.
| Under 60 (n = 41,112) | 60–65 (n = 13,895) | Over 65 (n = 6138) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | % | 1000 PY | N | % | 1000 PY | N | % | 1000 PY | ||
| Revision | event | 1707 | (4.15%) | 9.71 | 885 | (6.37%) | 18.01 | 449 | (7.32%) | 19.05 |
| days | 1573.39 | ± 991.74 | 1314.49 | ± 879.28 | 1114.07 | ± 827.48 | ||||
| Revision (5 year) | event | 1051 | (2.56%) | 7.40 | 663 | (4.77%) | 15.73 | 355 | (5.78%) | 18.10 |
| days | 905.41 | ± 486.38 | 906.19 | ± 516.35 | 763.86 | ± 481.74 | ||||
| Revision (10 year) | event | 1668 | (4.06%) | 9.54 | 875 | (6.30%) | 17.87 | 449 | (7.32%) | 19.13 |
| days | 1520.07 | ± 938.96 | 1285.83 | ± 841.96 | 1114.07 | ± 827.48 | ||||
*PY person year.