Fig. 2From: Geographical variations in patient-reported outcomes after total hip arthroplasty between 2008 - 2012Realised differences between pre- and post-operative PRO values (EQ-5D index, EQ VAS and Pain VAS) for the 21 Swedish counties (Delta) and the Improvement Ratio index (IR) that measures the achieved improvement as a percentage of the total possible improvementBack to article page