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. 2020 Feb 28;91(3):299–305. doi: 10.1080/17453674.2020.1731159

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© 2020 The Author(s). Published by Taylor & Francis on behalf of the Nordic Orthopedic Federation

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 4. — Kaplan–Meier survivorship curve, with conversion to total hip arthroplasty as endpoint for 1,385 hips after periacetabular osteotomy divided according to the age groups < 20 years, 20–40 years, > 40 years at surgery (left) and for each sex (right). Each decrease corresponds to a conversion to total hip arthroplasty. Log-rank test between age groups showed a p-value of 0.03 indicating a significant difference in survival and between the 2 sexes a p-value of 0.6 indicating no significant difference.