Table 1.
Demographic data for cemented and reverse hybrid THAs. Comparison of survival (in %) and relative risk (RR) of revision, with all revisions as endpoint for the total material
| Cemented | Reverse hybrid | |
|---|---|---|
| n = 267,755 | n = 38,415 | |
| Revisions | 9,975 | 1,426 |
| Median follow-up (IQR) | 6.2 (3.2–9.3) | 3.3 (1.6–5.9) |
| Median age (IQR) | 73 (67–79) | 64 (57–72) |
| % Men | 35 | 40 |
| Deceased | 65,379 | 2,242 |
| Diagnosis, % | ||
| Osteoarthritis | 81.0 | 79.0 |
| RA/inflammatory | 2.5 | 2.5 |
| Sequelae hip fracture | 11.2 | 8.0 |
| Childhood disease | 1.7 | 6.4 |
| Femoral head necrosis | 2.2 | 2.4 |
| Others | 1.3 | 1.5 |
| 5-year survival, % | 97 (97–97) | 96 (96–96) |
| number at risk | 55,864 | 11,717 |
| 10-year survival, % | 95 (94–95) | 92 (92–93) |
| number at risk | 52,477 | 2,045 |
| RRa (95% CI) | 1 (Reference) | 1.4 (1.3–1.5) |
a
Adjusted for age, sex, period, and diagnosis
IQR: interquartile range.