Positive predictive value of a register-based method to identify polymyalgia rheumatica in primary and secondary care: a validation study in Denmark

Key Points

• This research aims to validate a register-based method for identifying polymyalgia rheumatica in diverse healthcare settings.
• Conducted a validation study in Denmark to assess the algorithm's predictive value.
• Utilized a register-based approach to evaluate diagnostic accuracy in primary and secondary care.
• Analyzed patient data to determine the method's effectiveness in identifying polymyalgia rheumatica.
• The algorithm successfully identified patients with polymyalgia rheumatica.
• Results support the method's application in epidemiological research focused on PMR.