| EPZ (n = 350) | EPZmax (n = 153) | ||
---|---|---|---|---|
hip | knee | hip | knee | |
<  4 weeks | 13.1% | 12.0% | 4.6% | 4.6% |
4–8 weeks | 69.1% | 67.7% | 82.4% | 81.0% |
9–11 weeks | 2.6% | 2.6% | 2.0% | 2.0% |
≥12 weeks | 4.0% | 4.0% | 1.3% | 1.3% |
Individual/ individually | 7.1% | 7.4% | 8.5% | 8.5% |
Not specified | 4.0% | 6.3% | 1.3% | 2.6% |