Table 2.
Ninety-day and 1-year comparison of joint complications.
| Joint Complication | Bilateral Primary THA (n = 730) | Primary Unilateral THA (n = 106,859) | ORa (95% CI) |
|---|---|---|---|
| Prosthetic Dislocation | |||
| 90-day | 1 (0.1) | 157 (0.2) | 1.11 (0.06–4.99) |
| 1 yr | 1 (0.1) | 196 (0.2) | 0.84 (0.05–3.74) |
| Prosthetic Joint Infection | |||
| 90-day | 1 (0.1) | 1363 (1.3) | 0.12 (0.01–0.52) |
| 1 yr | 2 (0.3) | 1781 (1.7) | 0.18 (0.03–0.54) |
| Periprosthetic Fracture | |||
| 90-day | 2 (0.3) | 424 (0.4) | 0.85 (0.14–2.65) |
| 1 yr | 2 (0.3) | 587 (0.6) | 0.62 (0.10–1.93) |
| Aseptic Loosening | |||
| 90-day | 1 (0.1) | 272 (0.3) | 0.59 (0.03–2.64) |
| 1 yr | 1 (0.1) | 609 (0.6) | 0.24 (0.01–1.07) |
| Prosthetic Revision | |||
| 90-day | 2 (0.3) | 328 (0.3) | 1.12 (0.18–3.50) |
| 1 yr | 2 (0.3) | 443 (0.4) | 0.79 (0.13–2.47) |
THA, Total Hip Arthroplasty; OR, Odds ratio; CI, confidence interval.
a
Adjusting for sex, age, BMI, diabetes, tobacco use, and CCI.