Table 5.
Multivariate analysis of the factors for recurrent dislocation
| Factors | Odds ratio | 95 % percentile | P value |
|---|---|---|---|
| Age | 1.01 | 0.892–1.164 | 0.8793 |
| BMI | 1.01 | 0.730–1.313 | 0.9512 |
| Gender | 3.79 | 0.180–165.9 | 0.3927 |
| Direction of dislocation | 7.27 | 0.576–197.5 | 0.1298 |
| Indication of THA | |||
| OA / RA | 6.82 | 0.115–630.6 | 0.5016 |
| OA / ONFH | 14.7 | 0.459–1181 | |
| OA / revision | 2.50 | 0.228–41.97 | |
| Timing of dislocation (year) | 5.94 | 0.663–0.985 | 0.0248* |
| Cup abduction | 1.03 | 0.804–1.157 | 0.7572 |
| Cup anteversion | 1.07 | 0.942–1.256 | 0.2975 |
BMI body mass index, OA osteoarthritis, RA rheumatoid arthritis, ONFH idiopathic osteonecrosis of femoral head
Qualitative data were compared with χ2 test and quantitative data with the Pearson test
* Statically significant p-value <0.05