Variability in patient characteristics and service provision of interdisciplinary pain rehabilitation: A study using the Swedish national quality registry for pain rehabilitation.

Objective: To describe the organization, content and dosage of interdisciplinary pain rehabilitation, and the differences in degree of severity of problems of patients admitted to clinical units reporting to a Swedish national quality pain registry, grouped according to unit size and possible affiliation with a university hospital.

Methods: Reports from 31 out of 39 clinical units in Sweden, on inclusion processes, organization, content and dosage of interdisciplinary pain rehabilitation, and patient-reported data from a Swedish national quality pain registry at assessment for interdisciplinary pain rehabilitation were analysed.

Results: the number of patients treated annually at each unit ranged from 3 to 340.