“… 21 – 24 In addition, most of the greatest recovery takes place within the first 6 months as documented by 12 studies, 25 – 36 while some improvement in the physical status is observed up to a year postoperatively. The SF-36 score was used in eleven articles, 31 , 34 , 36 – 40 , 43 , 44 , 54 , 66 the SF-12 score in five articles, 29 , 44 , 67 – 69 the EQ-5D score in 21 articles, 12 , 21 , 22 , 25 , 26 , 28 , 32 , 33 , 38 , 40 , 43 – 45 , 47 , 48 , 53 , 57 – 61 and the Barthel index score in 19 articles. 21 – 23 , 29 , 38 , 44 , 50 – 53 , 55 – 57 , 60 – 63 , 65 , 67 …”