The economics of minimally invasive total knee surgery
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چکیده
Study sample No sample size appears to have been determined in the planning phase of the study. In addition, no retrospective power calculations were reported. The authors reported that a group of MIS-TKA patients was compared with a group of 50 traditional TKA patients, but it was unclear how many patients were in the MIS-TKA group. The authors then reported that all patients (n=159) were cohort matched for age, gender and body mass index. No age or gender characteristics were reported for any of the two groups. No exclusions were reported.
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