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Table 2 Interim interval for two-stage revision differentiated by centre type 2020

From: Evaluation of the standard procedure for treatment of periprosthetic joint infections of total knee and hip arthroplasty: a comparison of the 2015 and 2020 census in total joint replacement centres in Germany

  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%