Patterns of health status for pain conditions compared with the general population. SF-36 scores expressed as number of standard deviations from the population mean. PF, physical functioning; RP, role functioning difficulties caused by physical problems; BP, bodily pain; GH, general health; VT, vitality; SF, social functioning; RE, role functioning difficulties caused by emotional problems; MH, mental health. Picavet HSJ, Hoeymans N. Health related quality of life in multiple musculoskeletal diseases: SF-36 and EQ-5D in the DMC3 study. Annals of the Rheumatic Diseases 2004; 63; 723–729. Adapted with permission from the BMJ Publishing Group