Table 2.
Multivariate Adjusted Odds Ratios and 95% Confidence Interval for Cross-sectional Association of Radiographic Hip Osteoarthritis With Frailty Status
| OA Definition | N | Model | Frail vs Intermediate Stage or Robust (N = 336) | Frail/Intermediate Stage vs Robust (N = 2,060) |
|---|---|---|---|---|
| Croft ≥2 or THR | 512 | Age adjusted | 1.56 (1.16–2.1) | 1.5 (1.23–1.83) |
| MV adjusted* | 1.44 (1.06–1.96) | 1.45 (1.18–1.78) | ||
| Croft <2 and no THR | 3,619 | 1.00 (referent) | 1.00 (referent) | |
| Croft ≥2 | 415 | Age adjusted | 1.38 (0.99–1.92) | 1.37 (1.1–1.71) |
| MV adjusted* | 1.23 (0.87–1.74) | 1.32 (1.05–1.65) | ||
| Croft <2 | 3,715 | 1.00 (referent) | 1.00 (referent) | |
| Clinical OA | ||||
| Age adjusted | ||||
| Symptomatic OA | 219 | 1.6 (0.95–2.7) | 1.64 (1.17–2.31) | |
| Asymptomatic | 293 | 1.78 (1.17–2.69) | 1.37 (1.04–1.81) | |
| Hip pain only | 921 | 1.95 (1.5–2.53) | 1.31 (1.12–1.53) | |
| No clinical OA | 2,697 | 1.00 (referent) | 1.00 (referent) | |
| MV adjusted | ||||
| Symptomatic OA | 219 | 1.34 (0.77–2.31) | 1.57 (1.1–2.22) | |
| Asymptomatic | 293 | 1.54 (1–2.38) | 1.29 (0.97–1.71) | |
| Hip pain only | 921 | 1.68 (1.28–2.2) | 1.22 (1.04–1.43) | |
| No clinical OA | 2,697 | 1.00 (referent) | 1.00 (referent) | |
Notes: MV = multivariable; OA = osteoarthritis; THR = total hip replacement.
*MV models adjusted for age, clinic site, body mass index, college education, and number of comorbidities.