Table 2.
The relationship of gender, age, and percentage of patients to hip disease of primary partial hip replacement, in the NHI research database 1996–2004.
| All primary partial hip replacement/Revision (55,859/1,201) | ||||||
| Hip disease | Number (%) | Revision (%) | Men (%) | Age < 60 years (%) | Mean age in years (range) | Revision Rate % |
| Femoral neck fractures | 39557 (70.8) | 577 (48) | 34 | 4 | 76 | 1.5 |
| Avascular necrosis | 10066 (18.0) | 431 (36) | 84 | 83 | 48 | 4.3 |
| Osteoarthrosis | 448 (0.8) | 18 (1.5) | 53 | 49 | 60 | 4.0 |
| Other | 5788 (10.4) | 175 (14.5) | 3.0 | |||