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. 2022 Jun 13;48(6):4783–4796. doi: 10.1007/s00068-022-02012-y

Fig. 1.

Fig. 1

Annual number of participating hospitals and volume of patients in the Dutch Hip Fracture Audit from 2016 to 2020. The boxplots represent the median number of registered patients per hospital with the interquartile and total range