Table 3.
Results for the first 6 postoperative months for primary THAs after pediatric hip disease and after primary osteoarthritis a
| Endpoint in the analysis | No. of THAs |
No. of revisions |
RR | 95% CI | p–value |
|---|---|---|---|---|---|
| Any reason for revision | 302,838 | 2,289 | |||
| Pediatric hip diseases | 14,403 | 141 | 1.24 | 1.03–1.50 | 0.02 |
| Primary osteoarthritis | 288 435 | 2,148 | 1 | – | – |
| Aseptic loosening | 302 838 | 154 | |||
| Pediatric hip diseases | 14,403 | 9 | 0.95 | 0.46–1.95 | 0.9 |
| Primary osteoarthritis | 288 435 | 145 | 1 | – | – |
| Dislocation | 302 838 | 1,020 | |||
| Pediatric hip diseases | 14,403 | 78 | 1.78 | 1.38–2.30 | < 0.001 |
| Primary osteoarthritis | 288 435 | 942 | 1 | – | – |
| Infection | 302 838 | 637 | |||
| Pediatric hip diseases | 14,403 | 17 | 0.73 | 0.44–1.20 | 0.2 |
| Primary osteoarthritis | 288 435 | 620 | 1 | – | – |
a For full explanation, see Table 2.