10.1371/journal.pone.0221932.s001 Anton R. Boersma Anton R. Boersma Sandra Brouwer Sandra Brouwer Wendy Koolhaas Wendy Koolhaas Reinoud W. Brouwer Reinoud W. Brouwer Wierd P. Zijlstra Wierd P. Zijlstra Jan van Beveren Jan van Beveren Martin Stevens Martin Stevens Database. Public Library of Science 2019 preoperative cohort study Purpose knee arthroplasty Results 243 patients PA level RTW TKA patients leisure-time PA level NTR Multiple regression analyses activity level THA multicenter survey study 2019-09-03 17:27:40 Dataset https://plos.figshare.com/articles/dataset/No_association_between_preoperative_physical_activity_level_and_time_to_return_to_work_in_patients_after_total_hip_or_knee_arthroplasty_A_prospective_cohort_study/9763649 <p>(SAV)</p>