ACCESS-Background rate of adverse events-definition -Acute Aseptic Arthritis

This document contains the definition of acute aseptic arthritis and the operationalization to extract this event from different electronic health care databases in the EU, to calculate background rates of AESI

The document contains the key definition, procedures and treatments, the diagnosis codes based on Codemapper output with changes/additions by data access providers, and when available published validation studies and background rates