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. 2013 Oct 16:14:294.
doi: 10.1186/1471-2474-14-294.

Chronic low back pain patient groups in primary care--a cross sectional cluster analysis

Annika Viniol  1 , Nikita Jegan, Oliver Hirsch, Corinna Leonhardt, Markus Brugger, Konstantin Strauch, Jürgen Barth, Erika Baum, Annette Becker
Affiliations

Chronic low back pain patient groups in primary care--a cross sectional cluster analysis

Annika Viniol et al. BMC Musculoskelet Disord. .

Abstract

Background: Due to the heterogeneous nature of chronic low back pain (CLBP), it is necessary to identify patient groups and evaluate treatments within these groups. We aimed to identify groups of patients with CLBP in the primary care setting.

Methods: We performed a k-means cluster analysis on a large data set (n = 634) of primary care patients with CLBP. Variables of sociodemographic data, pain characteristics, psychological status (i.e., depression, anxiety, somatization), and the patient resources of resilience and coping strategies were included.

Results: We found three clusters that can be characterized as "pensioners with age-associated pain caused by degenerative diseases", "middle-aged patients with high mental distress and poor coping resources", and "middle-aged patients who are less pain-affected and better positioned with regard to their mental health".

Conclusions: Our results supported current knowledge concerning groups of CLBP patients in primary care. In particular, we identified a group that was most disabled and distressed, and which was mainly characterized by psychological variables. As shown in our study, pain-related coping strategies and resilience were low in these patients and might be addressed in differentiating treatment strategies. Future studies should focus on the identification of this group in order to achieve effective treatment allocation.

Trial registration: German Clinical Trial Register DRKS00003123.

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