Fig. 1
From: Long-term health related quality of life in total knee arthroplasty
Comparison of the SF-36 scores with the general population using the normalized scores. That is, SF-36 scores were standardized according to sex and age of the general population, and transformed to norm-based, considering a mean of 50
SF-36 domains: PF: physical function; RP: role physical; BP: bodily pain; GH: general health; SF: social function; RE: role emotional; VT: vitality; MH: mental health