Developing classification criteria for polymyalgia rheumatica: comparison of views from an expert panel and wider survey.

This report summarizes the findings from a consensus process to identify potential classification criteria for polymyalgia rheumatica (PMR).A 3-stage hybrid consensus approach was used to develop potential PMR classification criteria. The first stage consisted of a facilitated meeting of 27 international experts who anonymously rated the importance of 68 potential criteria. The second stage involved a meeting of the experts, who were provided...