Results 261 to 270 of about 1,441,811 (290)

Retrospective Studies

2014
Large retrospective, epidemiological studies accumulated in the late 1980s, providing increasing evidence to the deeply rooted thought that perinatal events could persistently affect the individual's functioning and health/disease patterns throughout the lifetime.
Patrícia Pelufo, Silveira, Gisele Gus, Manfro   +1 more
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MATCHING IN RETROSPECTIVE STUDIES

American Journal of Epidemiology, 1971
Retrospective studies have always taken for granted that matching should be done on factors which affect the incidence of the disease. Worcester stated that when that "when a disease group is being compared with another group matching is usually done on variables known to be related to the disease rather than on variables related to the outcome ...
R J, Hardy, C, White
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The Case Control or Retrospective Study In Retrospect

The Journal of Clinical Pharmacology, 1981
Abstract: The epidemiologic case control design is described against background information on its resurgence in popularity despite historical criticisms posed by its detractors. Weaknesses charged to the design by Feinstein and others such as its potential for recall bias in the use of retrospective data, Neyman's case selection bias, and the ...
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Retrospective Studies

Annals of Internal Medicine, 1974
The retrospective or case-control method of epidemiologic investigation is described and compared with the prospective (cohort) method. Both methods have the weakness of being observational or nonexperimental in nature. 2 methods employed in retrospective studies for reducing (but never eliminating) the likelihood of spurious inferences through ...
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Retrospective clinical studies

Journal of Pediatric Urology, 2016
Patient-based retrospective studies are most often based on one unique patient cohort from one particular institution. At best, they can give rise to observations leading to future prospective studies and new hypotheses. The study by Pamela Ellsworth et al.
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A RETROSPECTIVE STUDY OF INDUCTION OF LABOUR

BJOG: An International Journal of Obstetrics & Gynaecology, 1979
SummaryThe labour, delivery and state of the newborn were compared retrospectively in a group of women who had labour induced and a group who started labour spontaneously. There were 200 women at term in each group, individually matched for age, parity and social class and with no medical or obstetric complications prior to labour.
P, Yudkin, A M, Frumar, A B, Anderson, A C, Turnbull   +3 more
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Cardiomyopathy in Pregnancy: A Retrospective Study

American Journal of Perinatology, 1997
Women with dilated cardiomyopathies (DCM) have traditionally been advised not to attempt to carry pregnancies. This is largely based on data derived from studies of the course of peripartum cardiomyopathy (PPCM) and it is not clear that this extrapolation is appropriate.
P S, Bernstein, U, Magriples
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Some aspects of retrospective studies

Journal of Chronic Diseases, 1960
The "retrospective" or "case-control" study provides a more economical way of estimating the relative risk of disease than the prospective method because it does not require the devotion of considerable study resources to those who did not develop the disease. In such a study one identifies all or a well-defined sample of the new cases of a disease as
J, CORNFIELD, W, HAENSZEL
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Retrospective study of optometric referrals

Ophthalmic and Physiological Optics, 1992
We undertook a retrospective study of the referral patterns of optometrists. During the study period 13 107 patients had been seen, of whom 2.86% had been referred. Of the referred patients. 66.67% were referred to an ophthalmologist via the general practitioner. 25.87% to their general practitioner alone, and 7.47% directly to an ophthalmologist.
A J, Hobley, E G, Woodward, M J, Port
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Shigella Bacteremia: A Retrospective Study

Clinical Pediatrics, 2003
The aims of this study were to determine the risk factors in, and the clinical and laboratory characterizations of, Shigella bacteremia, as well as the subspecies of Shigella, and the antibiotic susceptibility. A retrospective study of all patients younger than 18 years of age with documented Shigella bacteremia from January 1989 through December 2001
David, Greenberg, Shai, Marcu, Rimma, Melamed, Matityahu, Lifshitz   +3 more
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