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. 2024 Jul 5;11(3):e12083. doi: 10.1002/jeo2.12083

Figure 1.

Figure 1

Patient selection and analysis flowchart. This figure outlines the process used to identify and analyse patients in our study conducted at our institute from 2006 to 2020. Starting with a base of 232,123 patients admitted during the study period, we narrowed our focus to 54,323 patients who underwent total hip arthroplasty (THA) or total knee arthroplasty (TKA) identified using specific International Classification of Diseases, Ninth Revision, Clinical Modification (ICD‐9‐CM) and ICD‐10 procedure codes. After further refinement based on ICD codes related to periprosthetic joint infection (PJI), we followed 1840 patients who completed their initial PJI treatment and were under regular follow‐up. The analysis included 21 patients who developed vertebral osteomyelitis (VO) post‐PJI and 1680 patients without VO. The study objectives were to compare demographic data, analyse risk factors for subsequent VO and assess the outcomes of PJI and VO.