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Evaluation of the Dengue Epidemiological Surveillance System data quality, positive predictive value, timeliness and representativeness, Brazil, 2005-2009

, 2015
Jakeline Ribeiro Barbosa, Jean Carlos dos Santos Barrado, Ana Laura de Sene Amâncio Zara, João Bosco Siqueira Júnior   +3 more
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The Positive Predictive Value of Smartphone Photoscreening in Pediatric Practices

Journal of Pediatric Ophthalmology & Strabismus, 2018
Purpose: To compare smartphone photoscreening with other commercial objective screeners for amblyopia screening for young children. Methods: Ten pediatricians in four practices employed Nokia 1020 smartphones (Espoo, Finland) with single-axis Gobiquity software (Scottsdale, AZ ...
R Kevin Winkle, Taryn T Hunt-Smith, Robert W Arnold, Robin L Grendahl, Andrew W Arnold   +4 more
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Positive Predictive Value of Sarcoidosis Identified in an Administrative Healthcare Registry: A Validation Study

Epidemiology, 2021
Supplemental Digital Content is available in the text. Background: International classification of disease (ICD) codes used to study sarcoidosis has previously been validated in only 1 study.
S. Ceder, M. Rossides, S. Kullberg, A. Eklund, J. Grunewald, E. Arkema   +5 more
semanticscholar   +1 more source

The First Positive: Computing Positive Predictive Value at the Extremes [PDF]

Annals of Internal Medicine, 2000
Computing the positive predictive value (PPV) of a wellknown test for a relatively common disease is a straight-forward exercise. However, in the case of a new test for a rare disorder; the extreme numbers involved-the very low prevalence of the disorder and the lack of previous false-positive results--make it difficult to compute the PPV.
Robert L. Winkler, James E. Smith, Dennis G. Fryback   +2 more
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Re: Predictive Value of a Positive Test

JAMA: The Journal of the American Medical Association, 1986
To the Editor.— We wish to comment on the survey of Drs Billings and Bernstein1concerning physician appreciation of the limitations of laboratory testing in the process of clinical decision making. The authors reapplied with a slight modification the question used by Casscells et al.2 In 1978, we wrote3in response to the article of Casscells et al ...
James W. Lo, Christopher H. K. Fung
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The positive predictive value of photoscreening devices for amblyogenic conditions

Journal of American Association for Pediatric Ophthalmology and Strabismus, 2021
To determine the positive predictive value (PPV) of four photoscreening devices in detecting amblyogenic risk factors (ARFs).This is a retrospective cohort study of 1,200 failed vision screenings (FVS) referred to a pediatric eye care practice from general pediatric practices over a 5-year period.
Shannon McCole, Stacy R. Martinson, Laura Bejarano, Haley D'Souza, Adrian Kun   +4 more
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Positive predictive value

BMJ, 2009
A 50 year old man presents with a sore throat. You suspect streptococcal pharyngitis and request a rapid streptococcal antigen test. The sensitivity of this test is 80% and the specificity is 95%. The prevalence of streptococcal pharyngitis in adults with pharyngitis is 10%. What is the likelihood that the patient has streptococcal pharyngitis if the
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Prognostic and predictive value of tumor-infiltrating lymphocytes in a phase III randomized adjuvant breast cancer trial in node-positive breast cancer comparing the addition of docetaxel to doxorubicin with doxorubicin-based chemotherapy: BIG 02-98.

Journal of Clinical Oncology, 2013
PURPOSE Previous preclinical and clinical data suggest that the immune system influences prognosis and response to chemotherapy (CT); however, clinical relevance has yet to be established in breast cancer (BC).
S. Loi, N. Sirtaine, F. Piette, R. Salgado, G. Viale, F. Van Eenoo, G. Rouas, P. Francis, J. Crown, E. Hitre, E. de Azambuja, E. Quinaux, A. Di Leo, S. Michiels, M. Piccart, C. Sotiriou   +15 more
semanticscholar   +1 more source

A misunderstood measure in screening: the positive predictive value

Journal of Communication in Healthcare, 2020
Background: The misunderstanding of numbers and probabilities is a problem that runs across practically the entire population.
Carina Filipa Costa Ferreira, Teresa Paula Amaral Abreu, Mário João Freitas de Sousa Basto   +2 more
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Physicians Poor at Prevalence and Positive Predictive Value

JAMA: The Journal of the American Medical Association, 1985
To the Editor.— In 1978, Casscells et al 1 reported the findings of a survey concerned with physician appreciationthe limitations of laboratory testtesting in the process of clinical decinsion. Physicians have generallyrmedpoorly on tests assaying the use of quantitative informinformation.
Bernstein Ms, Billings Pr
openaire   +5 more sources