Table A1.
Main items in the data extraction.
| Baseline Data | |
|---|---|
| Arthroplasty | Indication for primary arthroplasty All other implants including other arthroplasties Revision surgery of any other implants including treatment and microbiological results |
| Comorbidities | Inflammatory disease, diabetes (type 1 and 2), cardiovascular disease, pulmonary disease, cancer, biological immunotherapy |
| Biochemistry | CRP, erythrocyte sedimentation rate (ESR), white blood cell count (WBC) |
| Clinicians’ evaluation | A complete extract was made from the Department of Orthopedic Surgery for the joint in question, including details from clinical examination (pain, local signs of infection) |
| Imaging prior to PRIS-study, ‘Prosthetic-Related Infection and Pain’ (Danish acronym) | Extracts of all available descriptions including plain radiographs, ultrasound, magnetic resonance (MR) scan, X-ray computed tomography (CT), radionucleid imaging (beyond PRIS) |
| Study period and follow-up | |
| Clinicians evaluation | Extracts of records from the Department of Orthopedic Surgery, including clinical evaluation (pain, local signs of infection) and invasive procedures (joint aspiration, revision surgery, surgeon’s intraoperative view). Material regarding PRIS-radionucleid imaging was omitted |
| Biochemistry | as above |
| Imaging | as above |
| Hospital contacts regarding infection (any) | Records for all admissions or ambulatory contacts in North Denmark Region were reviewed. If an infection was noted (regardless of location), data was extracted |
| Microbiology | An extract for all received samples (regardless of anatomic site) was made from the database of the Department of Clinical Microbiology in the timespan from primary arthroplasty to study end |