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Assessing the Performance of Question-and-Answer Communities Using Survival Analysis
[article]
2014
arXiv
pre-print
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Initial metrics used to assess the performance of these communities include summative statistics like the percentage of resolved questions or the average time to receive and validate correct answers. ...
In this paper, we apply survival analysis to a selection of communities from the Stack Exchange platform. ...
Hence, the aim of this paper is to introduce the use of survival analysis to model the occurrence of events of interest in online communities and web systems through the analysis of big datasets. ...
arXiv:1407.5903v2
fatcat:f3csbg7qknbibbucm6d7y4uhrm
Perspectives of continuous renal replacement therapy in the intensive care unit: a paired survey study of patient, physician, and nurse views
2015
BMC Nephrology
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Univariate chi-square and qualitative analysis techniques were used. Results: Ninety-six total participants (32 survey triads) were completed. ...
We aim to assess patient and provider understanding of outcomes around CRRT. ...
None of the funding sources had any role in the study design, collection, analysis, interpretation of data, writing of the manuscript, or decision to submit the manuscript for publication. ...
doi:10.1186/s12882-015-0086-5
pmid:26169052
pmcid:PMC4501124
fatcat:wn65lt5nxre5riw2lhxtrxcl4a
Systematic Review for Network Survivability Analysis in MANETS
2015
Procedia - Social and Behavioral Sciences
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We used studies from a number of relevant article sources, and our results showed the existence of twenty six (26) articles. ...
Today, network survivability analysis is an essential aspect of reliable communication especially in MANETs. ...
To answer this question, analysis will be based on publication years and the quantities of the articles. ...
doi:10.1016/j.sbspro.2015.06.424
fatcat:i3jtbizqbzezba4tcttug4lhm4
Effect of different visual presentations on the comprehension of prognostic information: a systematic review
2021
BMC Medical Informatics and Decision Making
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Limitations Heterogeneity in the visual presentations and outcome measures, precluding meta-analysis. ...
Data extraction Two authors independently assessed risk of bias and extracted data. Data synthesis Eleven studies (all randomized trials) were identified. ...
Acknowledgements We thank Justin Clark for his consultation and valuable advice in the development of the search strategy. ...
doi:10.1186/s12911-021-01612-9
pmid:34433455
pmcid:PMC8390199
fatcat:ee5l3m7terchpc362nbxh522ra
Resuscitation in Community Healthcare Facilities in Israel
2021
International Journal of Environmental Research and Public Health
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Few studies have evaluated the incidence and characteristics of OHCAs initially cared for by CHP, most finding improved survival. ...
This study combined CHP treated OHCA case analysis, with assessment of provider resuscitation preparedness. ...
Discussion This study assessed resuscitation in community healthcare facilities of a large HMO, by evaluating all reported resuscitations performed during a 2.5-year span and in parallel, assessing CPR ...
doi:10.3390/ijerph18126612
pmid:34205368
fatcat:6p7hgreurzb5ng4h4wrfypguoq
The Value of the Surprise Question to Predict One-Year Mortality in Idiopathic Pulmonary Fibrosis: A Prospective Cohort Study
2021
Respiration
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In addition, discriminative performance of the surprise question was assessed using the C-statistic. <b><i>Results:</i></b> In total, 140 patients were included. ...
Clinicians identified patients with a survival of <1 year with a sensitivity of 68%, a specificity of 82%, an accuracy of 79%, a positive predictive value of 49%, and a negative predictive value of ...
., and M.W. drafted the manuscript, and all authors revised it critically for important intellectual content and approved the final version of the manuscript. ...
doi:10.1159/000516291
pmid:34044401
pmcid:PMC8491469
fatcat:6yhs5jhlk5htlf6jaopqsskvhi
Harnessing Natural Experiments to Quantify the Causal Effect of Badges
[article]
2018
arXiv
pre-print
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Moreover, for badges that successfully steered user behavior, we perform a counterfactual analysis and show that they significantly improved the functioning of the site at a community level. ...
A wide variety of online platforms use digital badges to encourage users to take certain types of desirable actions. ...
Acknowledgements We thank Utkarsh Upadhyay and Isabel Valera for useful discussions.
References ...
arXiv:1707.08160v2
fatcat:hthywsja3feadjlps32spxocom
Lifelong limb preservation: A patient-centered description of lower extremity arterial reconstruction outcomes
2017
Journal of Vascular Surgery
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Using lifelong limb preservation (LLP) as an outcomes assessment provides a more accurate and patient-centered answer to the question, "If I have this procedure, will I ever lose my leg?" ...
To better answer the question "Will I ever lose my leg?," we developed a more relevant patient-centered calculation of major amputation risk over a patient's remaining lifetime. ...
Acknowledgments Supported by the Harvard-Longwood Research Training in Vascular Surgery NIH T32 Grant 5T32HL007734-22 ...
doi:10.1016/j.jvs.2017.02.043
pmid:28502548
pmcid:PMC5612858
fatcat:5dnlrhkvrngb3kskcgj2p7drw4
Simple and Multistate Survival Curves
2012
Medical decision making
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Statistical Analysis Data analysis was performed using Excel and SPSS software. ...
Design, Method, and Measurements: After reading worked examples of using survival curves that provided explanation and answers, participants answered questions on survival data for pairs of treatments. ...
Please look at the two survival curves below then answer the questions at the bottom of the page. It may sometimes be difficult to read the scale on the graph accurately. ...
doi:10.1177/0272989x12451057
pmid:22753419
fatcat:mgt7a764f5ftzj2iahndmgthmu
Developing Oral Placement Tests for Community-Based Language
1986
The TESL Canada Journal
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A general overview of recent oral testing approaches will be presented and the suitability of specific tests for use in meeting the expressed needs of community agencies will be discussed. ...
This paper will describe the steps taken in developing oral placement tests for adults in two agency-based community ESL programs. ...
in society such as answering biographical questions. ...
doi:10.18806/tesl.v3i0.1006
fatcat:vem6n33kv5covhbf2paepgy44q
A Clinician's Guide to the Use of Lung Volume Reduction Surgery
2008
Proceedings of the American Thoracic Society online
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Last, some of the data analysis methods used to identify these criteria may be unfamiliar to the practicing physician. ...
It is hoped that answers from NETT investigators to some of these commonly encountered questions will provide clarity and guidance to clinicians faced with the responsibility of considering and discussing ...
Although NETT demonstrated the value of chest CT analysis in predicting patient outcome and response to therapy, much work needs to be done to answer the above questions and others to make this an effective ...
doi:10.1513/pats.200709-151et
pmid:18453356
pmcid:PMC2645320
fatcat:qqtii73pevat3puev4rnhaexzm
Assessing minimal medical statistical literacy using the Quick Risk Test: a prospective observational study in Germany
2018
BMJ Open
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(median=50%) of the questions correctly while senior educators answered three-quarters correctly (median=75%). ...
Objectives To assess minimal medical statistical literacy in medical students and senior educators using the 10-item Quick Risk Test; to assess whether deficits in statistical literacy are stable or can ...
Acknowledgements The authors would like to thank Clara Schirren for testing the senior educators and Jana Hinneburg, Felix Rebitschek and Anna Held for their input concerning the wording of the items in ...
doi:10.1136/bmjopen-2017-020847
pmid:30139896
pmcid:PMC6112405
fatcat:6rzkjcvc5rbabgcgey3gn5k7oe
The influence of the media on COPD patients' knowledge regarding cardiopulmonary resuscitation
2008
International Journal of COPD
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health-oriented newspapers, use of the internet, age, educational level, and the presence of CRF. ...
Objectives: We wanted to assess whether patients' knowledge about CPR survival and outcomes was related to presentation by the media. ...
Bivariate Pearson's correlations were performed to assess the association between the number of right answers to the fi rst 3 questions and the frequency of media exposition. ...
doi:10.2147/copd.s1805
pmid:18686738
pmcid:PMC2629960
fatcat:eblbmxg4uvdblgbfq6rftnjixq
Cranial irradiation in small cell lung cancer
1991
British Journal of Cancer
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The individual trials are far too small to answer this question convincingly and collective data analysis may be hampered by the variety of prognostic factors which may have more powerful effects on survival ...
The survival question No individual randomised trial or collective data analysis has shown any survival benefit for PCI treated patients. This fact is often used as a strong argument against its use. ...
doi:10.1038/bjc.1991.5
pmid:1846550
pmcid:PMC1971661
fatcat:ifjzcm7sq5fbjckw4hd22grgdq
Cardiac Arrest and Cardiopulmonary Resuscitation (CPR) Knowledge at an Academic Research Organization in Durham, NC
2015
Emergency Medicine Open Access
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Employees who participated in manikin practice, compared with those who did not, were more likely to correctly answer CPR-performance questions. ...
Objectives: Bystander cardiopulmonary resuscitation (CPR) is critical in the chain of survival for out-of-hospital cardiac arrest. In the United States, overall survival remains 7%-8%. ...
Practice with a coach did not influence answers to questions about CPR knowledge, gasping, use of CPR in children, benefit versus harm for use of CPR, and knowledge of Good Samaritan laws (Table 3) . ...
doi:10.4172/2165-7548.1000266
fatcat:cto3titb4bfirhx5alyebmnaw4
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