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| 1 | Effect of weekend admission on geriatric hip fractures显示文摘BACKGROUND The care discrepancy for patients presenting to a hospital on the weekend relative to the work week is well documented.With respect to hip fractures,however,there is no consensus about the presence of a so-called“weekend effect”.This study sought to determine the effects,if any,of weekend admission on care of geriatric hip fractures admitted to a large tertiary care hospital.It was hypothesized that geriatric hip fracture patients admitted on a weekend would have longer times to medical optimization and surgery and increased complication and mortality rates relative to those admitted on a weekday.AIM To determine if weekend admission of geriatric hip fractures is associated with poor outcome measures and surgical delay.METHODS A retrospective chart review of operative geriatric hip fractures treated from 2015-2017 at a large tertiary care hospital was conducted.Two cohorts were compared:patients who arrived at the emergency department on a weekend,and those that arrived at the emergency department on a weekday.Primary outcome measures included mortality rate,complication rate,transfusion rate,and length of stay.Secondary outcome measures included time from emergency department arrival to surgery,time from emergency department arrival to medical optimization,and time from medical optimization to surgery.RESULTS There were no statistically significant differences in length of stay(P=0.2734),transfusion rate(P=0.9325),or mortality rate(P=0.3460)between the weekend and weekday cohorts.Complication rate was higher in patients who presented on a weekend compared to patients who presented on a weekday(13.3%vs 8.3%;P=0.044).Time from emergency department arrival to medical optimization(22.7 h vs 20.0 h;P=0.0015),time from medical optimization to surgery(13.9 h vs 10.8 h;P=0.0172),and time from emergency department arrival to surgery(42.7 h vs 32.5 h;P<0.0001)were all significantly longer in patients who presented to the hospital on a weekend compared to patients who presented to the hospital on a weekday.CONCLUSION This study provided insight into the“weekend effect”for geriatric hip fractures and found that day of presentation has a clinically significant impact on delivered care. | Jordan B Pasternack Matthew L Ciminero Michael Silver Joseph Chang Ronald J Simon Kevin K Kang | 2020 | World Journal of Orthopedics2020，11，9： | 2 |
| 2 | Testing Object-Oriented programs:from formal Specification to test scenario generation显示文摘 | S S Liao S B Seidman | 1998 | The Journal of systems and software1998，42，： | 1 |
| 3 | Structured databases on the Web : Observations and implications 显示文摘 | Chang K C He B Li C | 2004 | ACM SIG- MOD Record2004，35，3： | 1 |
| 4 | Buckytubes and derivatives:their growth and implications for buckyball formation显示文摘 | DRAVID V P LIN X WANG X K YEE A KETTERSON J B CHANG R P H | 1993 | Science1993，259，： | 1 |
| 5 | Changes in the microstructure and hydrogen storage properties of Ti℃r-V alloys by ball milling and heat treatment 显示文摘 | CHO S W YOO J H CHANG H K KIM W B KIL D S AHN J G | 2011 | Journal of Alloys and Compounds2011，509，18： | 1 |
| 6 | Evaluation on speciation and removal efficiencies of mercury from municipal solid waste incinerators in Taiwan显示文摘 | CHANG M B WU H T HUANG C K | 2000 | Sci Total Environ2000，246，23： | 1 |
| 7 | Calcium-dependent catalyticactivity of a novel phytase from Bacillus amyloliquefaciens DS11显示文摘 | OH B CHANG B PARK K | 2001 | Biochemistry2001，40，32： | 1 |
| 8 | A 16-channel low-power non-uniform spaced filter bank core for digital hearing aids显示文摘 | CHONG K S GWEE B H CHANG J S | 2006 | IEEE Transactions on Circuits and Systems:Express Briefs2006，53，10： | 1 |
| 9 | Structured databases on the web: Observations and implications显示文摘 | Chang K C C He B Li C | 2004 | SIGMOD Record2004，33，3： | 1 |
| 10 | Surface properties and structure of poly显示文摘 | JUN P SOO B L CHANG K C | 1996 | Journal of Colloid and Interface Science1996，181，1： | 1 |
| 11 | Security constrained multi-objective generation dispatch using bicriterion global optimization显示文摘 | Chang C S Wong K P Fan B | 1995 | IEE Proceedings of Generation Transmission and Distribution1995，142，4： | 1 |
| 12 | Species variation in lignin显示文摘 | SARKANEN K V CHANG H M ERICSSON B | 1967 | Tappi1967，50，11： | 1 |
| 13 | Simulation of induction logging by the finite-element method显示文摘 | CHANG S K ANDERSON B | 1984 | C-eophysics1984，49，11： | 1 |
| 14 | Comparative analyses of phe- nolic composition,antioxidant capacity,and color of cool sea- son legumes and other selected food legumes显示文摘 | Xu B J Yuan S H Chang S K C | 2007 | Journal of Food Science2007，72，2： | 1 |
| 15 | Characterization of hot deformation behavior of a new near beta titanium alloy: Ti-7333 显示文摘 | FAN J K KOU H C LAI M J TANG B CHANG H LI J S | 2013 | Materials & Design2013，49，： | 1 |
| 16 | Mechanical behavior of polymer and ceramic matrix nanocomposites显示文摘 | Siegel R W Chang S K Ash B J | 2001 | Scripta Materialia2001，44，89： | 1 |
| 17 | A practical route to enantiopure 1,2 -aminoalcohols显示文摘 | CHANG H T SHARPLESS K B | 1996 | Tetrahedron Lett1996，37，19： | 1 |
| 18 | Measurement of PCDD/F congener distributions in MWI stack gas and ambient air in northern Taiwan显示文摘 | Chang M B Chi K H Chang S H | 2004 | Atmospheric Environment2004，38，16： | 1 |
| 19 | Changes in polymine pattern are involved in floral initiation and development in Polianthes tuberose显示文摘 | Huang C K Chang B S Wang K C | 2004 | Jouranl of Plant Physiology2004，161，6： | 1 |
| 20 | Experimental study on improving hybrid position/force control of a robot using time delay control mechatronics 显示文摘 | Chang P H Park B S Park K C | 1996 | Mechatronics1996，6，8： | 1 |
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