Health-economic Evaluation of Interventional Pain Management Compared to Pain Rehabilitation

The overall aim of the study is to evaluate interventional pain management. This is done in three steps: 1. To find matched controls to the patients in the study on cost-effectiveness of IPM and compare the results. 2. To calculate cost-effectiveness of PRP during the period 2010-2016, on a national level. 3. To calculate cost-effectiveness of PRP during the period 2017-2019, after the changed guidelines for PRP in Sweden. The two last steps are to provide a background to the results of IPM, and to see if the results in the subgroup of matched controls of PRP-patients differ from the results from the whole population.