Chronic pain patients can be classified into four groups: Clustering-based discriminant analysis of psychometric data from 4665 patients referred to a multidisciplinary pain centre (a SQRP study).
To subgroup chronic pain patients using psychometric data and regress the variables most responsible for subgroup discrimination.Cross-sectional, registry-based study.Chronic pain patients assessed at a multidisciplinary pain centre between 2008 and 2015.Data from the Swedish quality registry for pain rehabilitation (SQRP) were retrieved and analys