Tips for learners of evidence-based medicine: 3. Measures of observer variability (kappa statistic)
Thomas McGinn,Peter C. Wyer,Thomas B. Newman,Sheri A. Keitz,Rosanne M. Leipzig,Gordon Guyatt for +5 more
TLDR
Imagine that you're a busy family physician and that you've found a rare free moment to scan the recent literature and notice a study comparing emergency physicians' interpretation of chest radiographs with radiologists' interpretations.Abstract:
Imagine that you're a busy family physician and that you've found a rare free moment to scan the recent literature. Reviewing your preferred digest of abstracts, you notice a study comparing emergency physicians' interpretation of chest radiographs with radiologists' interpretations.[1][1] Theread more
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Allocation of Physician Time in Ambulatory Practice: A Time and Motion Study in 4 Specialties
Christine A. Sinsky,Lacey Colligan,Ling Li,Mirela Prgomet,Sam Reynolds,Lindsey E. Goeders,Johanna I. Westbrook,Michael Tutty,George T. Blike +8 more
TL;DR: The goal was to describe time allocation and practice characteristics for physicians in the era of EHRs and federal incentive and penalty programs and to ensure a participant base that was representative of a large and inclusive number of physicians.
Journal ArticleDOI
Cardiovascular risk factors and venous thromboembolism: a meta-analysis.
TL;DR: Cardiovascular risk factors are associated with venous thromboembolism and this association is clinically relevant with respect to individual screening, risk factor modification, and primary and secondary prevention of VTE.
Journal ArticleDOI
Efficacy of communication skills training for giving bad news and discussing transitions to palliative care.
Anthony L. Back,Robert M. Arnold,Walter F. Baile,Kelly Fryer-Edwards,Stewart C. Alexander,Stewart C. Alexander,Gwyn Barley,Ted Gooley,James A. Tulsky,James A. Tulsky +9 more
TL;DR: Oncotalk represents a successful teaching model for improving communication skills for postgraduate medical trainees in changing observable communication behaviors in medical oncology fellows.
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Association of Interruptions With an Increased Risk and Severity of Medication Administration Errors
Johanna I. Westbrook,Amanda Woods,Marilyn I Rob,William T. M. Dunsmuir,Richard O. Day,Richard O. Day +5 more
TL;DR: Among nurses at 2 hospitals, the occurrence and frequency of interruptions were significantly associated with the incidence of procedural failures and clinical errors and was associated with higher procedural failure rates.
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Meta-analysis: anticoagulant prophylaxis to prevent symptomatic venous thromboembolism in hospitalized medical patients.
TL;DR: A meta-analysis of randomized, controlled trials of anticoagulant prophylaxis in medical patients, focusing on the effects of treatment on clinically important efficacy outcomes (any PE, fatal PE, symptomatic DVT, and all-cause mortality) and safety outcomes (major bleeding).
References
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Misinterpretation and misuse of the kappa statistic
Journal ArticleDOI
Performance of helical computed tomography in unselected outpatients with suspected pulmonary embolism.
Arnaud Perrier,Nigel Howarth,Dominique Didier,Pierre Loubeyre,Pierre-François Unger,Philippe de Moerloose,Daniel O. Slosman,Alain F Junod,Henri Bounameaux +8 more
TL;DR: The sensitivity and specificity of helical CT in a cohort of consecutive nonselected patients presenting to the emergency department with suspected acute pulmonary embolism was evaluated.
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Diagnosis of iron-deficiency anemia in the elderly.
Gordon H. Guyatt,Christopher Patterson,Mahmoud A. M. Ali,Joel Singer,Mitch Levine,Irene D. Turpie,Ralph M. Meyer +6 more
TL;DR: In this article, the value of serum ferritin, mean cell volume, transferrin saturation, and free erythrocyte protoporphyrin in the diagnosis of iron-deficiency anemia in the elderly was determined.
Journal ArticleDOI
1989 Volvo Award in clinical sciences. Reproducibility of physical signs in low-back pain.
TL;DR: The reproducibility between observers of physical signs in patients with low-back pain was investigated and signs of root tension showed better agreement when qualified with a description of where the pain was experienced.
Journal ArticleDOI
Tips for learners of evidence-based medicine: 1. Relative risk reduction, absolute risk reduction and number needed to treat
Alexandra Barratt,Peter C. Wyer,Rose Hatala,Thomas McGinn,Antonio L. Dans,Sheri A. Keitz,Virginia A. Moyer,Gordon Guyatt for +7 more
TL;DR: Depending on which measures of effect authors choose, the impact of an intervention may appear very large or quite small, even though the impact may be small in comparison with other interventions.