Table 1 Characteristics of residents from Western Victoria who underwent a hip or knee revision surgery, 2011–13
Revision joint replacement surgeries | |||
|---|---|---|---|
Total (n = 895) | Hip (n = 542) | Knee (n = 353) | |
Women, n (%) | 482 (53.8%) | 291 (53.7%) | 191 (54.1%) |
Age group (years), n (%) | |||
0–49 | 37 (4.1%) | 21 (3.9%) | 16 (4.5%) |
50–59 | 115 (12.8%) | 66 (12.2%) | 49 (13.9%) |
60–69 | 301 (33.6%) | 171 (31.5%) | 130 (36.8%) |
70–79 | 283 (31.6%) | 176 (32.5%) | 107 (30.3%) |
≥ 80 | 159 (17.8%) | 108 (19.9%) | 51 (14.4%) |
Socioeconomic quintiles, n (%) | |||
Quintile 1b | 236 (26.4%) | 140 (25.8%) | 96 (27.2%) |
Quintile 2 | 258 (28.8%) | 139 (25.6%) | 119 (33.7%) |
Quintile 3 | 219 (24.5%) | 140 (25.8%) | 79 (22.4%) |
Quintile 4 | 148 (16.5%) | 99 (18.3%) | 49 (13.9%) |
Quintile 5c | 34 (3.8%) | 24 (4.4%) | 10 (2.8%) |
aReasons for joint replacement, n (%) | |||
Arthrofibrosis | 10 (1.1%) | – | 10 (2.8%) |
Erosion d | 11 (1.2%) | 5 (0.9%) | 6 (1.7%) |
Fracture | 49 (5.5%) | 46 (8.5%) | 3 (0.8%) |
Implant breakage e | 20 (0.6%) | 13 (2.4%) | 7 (2.0%) |
Infection | 151 (16.9%) | 74 (13.6%) | 77 (21.8%) |
Instability | 20 (2.2%) | 1 (0.2%) | 19 (5.4%) |
Loosening/lysis | 346 (38.7%) | 215 (39.7%) | 131 (37.1%) |
Metal-related pathology | 95 (10.6%) | 82 (15.1%) | 13 (3.7%) |
Other f | 37 (4.1%) | 24 (4.4%) | 13 (3.7%) |
Pain | 54 (6.0%) | 13 (2.4%) | 41 (11.6%) |
Progression of disease | 21 (2.3%) | – | 21 (5.9%) |
Prosthesis dislocation | 65 (7.3%) | 63 (11.6%) | 2 (0.6%) |
Wear g | 16 (1.8%) | 6 (1.1%) | 10 (2.8%) |