Results 321 to 330 of about 44,030,521 (374)
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Retrospective Studies

Advances in neurobiology, 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   +1 more
openaire   +3 more sources

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 ...
P. Sartwell
openaire   +4 more sources

Retrospective Studies – Utility and Caveats

The Journal of the Royal College of Physicians of Edinburgh, 2020
A thorough understanding of the pros and cons of the various study designs is critical to correct interpretation of their results. Retrospective studies are an important tool to study rare diseases, manifestations and outcomes.
K. Talari, M. Goyal
semanticscholar   +1 more source

Retrospective observational studies: Lights and shadows for medical writers

Acta bio-medica : Atenei Parmensis, 2022
A retrospective study (by definition non-interventional) is a purely observational review and/or reassessment of database records with the aim of analyzing previous events of interest.
V. De Sanctis   +5 more
semanticscholar   +1 more source

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 ...
Colin White, Robert J. Hardy
openaire   +3 more sources

Antrolithiasis: a retrospective study

The Journal of Laryngology & Otology, 2003
In this retrospective study, the computed tomography (CT) archives of paranasal sinus examinations were reviewed and three cases of antroliths are presented. The archivesof paranasal sinus CT studies of 1957 patients (1023 females, 934 males, mean age 36.5 years) were surveyed.
Caner Özer   +5 more
openaire   +3 more sources

PILOMATRICOMA: A RETROSPECTIVE STUDY

International Journal of Dermatology, 1992
AbstractA study of 53 Pakistani patients with pilomatricoma diagnosed at AFIP during 1985–1989 is presented. It constituted 37.2% of all benign adnexal tumors, during the same period. 56.2% of patients were more than 30 years of age. Differences in site, sex, and age distribution from Western reports were observed.
Adnan Mansoor Zubairi   +4 more
openaire   +3 more sources

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 ...
openaire   +3 more sources

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.
A. M. Frumar   +3 more
openaire   +4 more sources

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.
Urania Magriples, Peter S. Bernstein
openaire   +4 more sources

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