OzEMedicine - Wiki for Australian Emergency Medicine Doctors stats

diagnostic tests - sens, spec, PPV, NPV, etc

anonymous@undisclosed.example.com (Anonymous) — Sat, 11 Jan 2014 01:05:22 +0000

diagnostic tests - sens, spec, PPV, NPV, etc see also: * Medical statistical analysis; * journal club; * study designs mathematical risk = when we don’t know what the outcome is, but we do know the distribution of the outcomes mathematical uncertainty = when we don’t know what the outcome is, and we don’t know the distribution of outcomes

first, do no harm

anonymous@undisclosed.example.com (Anonymous) — Thu, 20 Oct 2022 01:25:38 +0000

first, do no harm see also: * diagnostic tests - sens, spec, PPV, NPV, etc introduction * emergency physicians are being increasingly pushed to make rushed decisions which, on the surface appear to be very reasonable and logical, but for a given patient, may in fact cause more harm than good.

Meta-analysis studies

anonymous@undisclosed.example.com (Anonymous) — Mon, 03 Nov 2008 06:58:20 +0000

Meta-analysis studies see also Medical statistical analysis Meta-analysis Reviews: * A discipline which provides methods of finding, appraising & combining data from a range of studies; * Although bias can intrude in a traditional narrative review, it is more important in meta-analysis because a wealth of apparently disparate data can be reduced to a few simple statistics which are likely to influence treatment or public policy, thus need to assess quality by asking:

research and innovation in emergency medicine

anonymous@undisclosed.example.com (Anonymous) — Fri, 06 Feb 2009 03:53:28 +0000

research and innovation in emergency medicine see also: * evidence based medicine (EBM) * journal club * Medical statistical analysis * ACEM Emergency Medicine Research Foundation and the Morson Taylor Research Awards * Joseph Epstein Centre for Emergency Medicine Research - located at Sunshine Hospital, Melbourne. * Queensland Emergency Medicine Research Foundation (QEMRF) * Australian Govt National Institute of Clinical Studies (NICS) * Monash University, Centre of Research Excellenc…

receiver operator characteristics (ROC) and area under the curve (AUCROC)

anonymous@undisclosed.example.com (Anonymous) — Wed, 25 Oct 2023 02:05:25 +0000

receiver operator characteristics (ROC) and area under the curve (AUCROC) see also: * Medical statistical analysis * * Korean J Anesthesiol. 2022 : Receiver operating characteristic curve: overview and practical use for clinicians * “The AUC is a measure of the overall performance of a diagnostic test and can be interpreted as the average value of sensitivities for all possible specificities. The AUC has a value between 0 …

Medical statistical analysis

anonymous@undisclosed.example.com (Anonymous) — Wed, 25 Oct 2023 02:00:11 +0000

Medical statistical analysis see also: * journal club * research and innovation in emergency medicine * diagnostic testing - sensitivity, specificity, PPV, NPV, etc * Clinical research study designs - odds ratio, etc * Meta-analysis studies * receiver operator characteristics (ROC) and area under the curve (AUCROC) * risk and the perception of risk Other references * study design for dummies - by Laika *

Clinical research study designs

anonymous@undisclosed.example.com (Anonymous) — Mon, 03 Nov 2008 06:52:24 +0000

Clinical research study designs see also Medical statistical analysis Randomised controlled trial: * investigator assigns at random the independent variable (eg. drug or vaccine) & examines the effect on the outcome or dependent variable (eg. % pts surviving relevant illness - case fatality; or incidence rate of the relevant disease);