Page 125 - The value of total hip and knee arthroplasties for patients

Return to work after total hip and knee arthroplasty: a systematic review
Study characteristics
The characteristics of the selected studies are presented in Table 1. Nineteen studies,described in 14 papers onTHA4,5,10-21,4 papers onTKA6,22-25,and 1 paper on THA and TKA6, including in total 3872 patients who underwent THA (2055 males, 53.1%) and 649 patients who underwent TKA (239 males, 36.8%) were selected. Eight studies had a prospective cohort design4-6, 11, 17, 18, 21, 24 and 11 studies had a retrospective cohor t design.10, 12-16, 19, 20, 22, 23, 25 Studies were published between 1984 and 2013. Of these 18 studies, 8 were performed in the USA5, 6, 11, 14, 18, 19, 24, 25, 4 in the UK20-23 and the other 7 in Denmark12 Finland17, Sweden16, Spain10, Germany13, Thailand4 and Canada.15 The average age of patients who underwent THA ranged from 46.9 to 69.7 years4-6, 10-21 and 54.1 to 69.7 years6, 22-25 in patients who underwent TKA. In studies on THA, six studies included only patients of working age11, 14, 16, 18, 20, 21, two studies included only patients who were working preoperatively10, 15 and four studies included the total cohor t of operated patients.5, 12, 13, 17 In studies on TKA, three studies included only patients of working age22-24 and one study included the total cohort of all operated patients.25 In the study on THA and TKA, all operated patients were included.6
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