Yan Liu, Ting-Hua Yi, Zhen-Jun Xu
Safety early warning research for highway construction based on case-based reasoning and variable fuzzy sets
TheScientificWorldJournal
unknown whether july effect theory medical errors organizational inefficiencies increase influx new surgical residents exists urologic roboticassisted surgery aim study investigate impact urology resident training robotic operative times beginning academic year retrospective chart review conducted urologic robotic surgeries performed single institution 2008 2019 univariate multivariate mix model analyses performed determine association operative time patient age estimated blood loss case complexity robotic surgical system si xi time academic year differences surgery time nonsurgery time assessed withwithout resident presence operative time intervals included analysis resident presence correlated increased surgery time 386 min p 0001 decreased nonsurgery time 46 min p 0001 surgery time involving residents decreased 87 min 4 months academic year julyoctober additional 51 min next 4 months p 0027 0001 compared across case types stratified complexity surgery time cases residents significantly varied cases without residents demonstrate variability resident presence associated prolonged surgery time largest effect occurring first 4 months shortening later year however resident presence associated significantly reduced nonsurgery time results help understand new trainees impact operating room times