Predictive factors of THR in painful hip OA: multivariate analysis in 448 patients
| Odds ratio | 95% CI | p Value | Patients at risk (n) | % THR | ||
|---|---|---|---|---|---|---|
| In group at risk | In group not at risk | |||||
| *47 is the median value for mean patient global assessment over the first 6 months. | ||||||
| Radiological grade | <0.0001 | |||||
| III | 3.3 | 1.7 to 6.4 | 249 | 39.0 | 16.9 (grade II) | |
| IV | 5.3 | 2.6 to 10.8 | 122 | 52.5 | 16.9 (grade II) | |
| Previous NSAID intake | 1.5 | 1.0 to 2.4 | 0.049 | 296 | 43.2 | 30.3 |
| Mean patient global assessment over the first 6 months >47* (0–100 mm VAS) | 2.2 | 1.4 to 3.2 | 0.0002 | 222 | 48.2 | 29.3 |