Results 281 to 290 of about 1,389,546 (315)

Prospective and Retrospective Cohort Studies

2019
Cohort studies are a type of observational study that follows samples of at-risk individuals forward in time to examine associations between measured exposures and future outcomes. Cohort studies have an essential role in evidence-based surgery.
Ramy Behman, Lev Bubis, Paul Karanicolas
openaire   +1 more source

Syncope in pulmonary embolism: a retrospective cohort study

Postgraduate Medical Journal, 2020
ABSTRACTObjectiveTo determine the prevalence of syncope or collapse in pulmonary embolism (PE).MethodsA retrospective cohort study was conducted. We examined the frequency with which syncope or collapse (presyncope) occurred alone or with other symptoms and signs in an unselected series of 224 patients presenting to a district general hospital with PE ...
Craig, Richmond, Hannah, Jolly, Chris, Isles   +2 more
openaire   +2 more sources

Dercum's disease: A retrospective cohort study

Journal of the American Academy of Dermatology, 2023
Maria S, Asdourian, Nishi, Shah, Ted V, Jacoby, Janice, Tiao, Flavia, Fedeles   +4 more
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Retrospective Cohort Study of Hydrotherapy in Labor

Journal of Obstetric, Gynecologic & Neonatal Nursing, 2017
To describe the use of hydrotherapy for pain management in labor.This was a retrospective cohort study.Hospital labor and delivery unit in the Northwestern United States, 2006 through 2013.Women in a nurse-midwifery-managed practice who were eligible to use hydrotherapy during labor.Descriptive statistics were used to report the proportion of ...
openaire   +2 more sources

Retrospective cohort mortality study of Roman Catholic Priests

Preventive Medicine, 1988
In order to test the hypothesis that Roman Catholic priests are at low risk for prostatic cancer because of their celibacy, a cohort of 10,026 men who were active or retired diocesan (parish) Roman Catholic priests in the United States on January 1, 1949 were followed until death, leaving the priesthood, or January 1, 1978.
openaire   +2 more sources

Effectiveness of mRNA BNT162b2 COVID-19 vaccine up to 6 months in a large integrated health system in the USA: a retrospective cohort study

Lancet, The, 2021
Sara Y Tartof, Heidi Fischer, Sarah Simmons   +2 more
exaly  

Retrospective Cohort Studies

2020
openaire   +1 more source

A Retrospective Cohort Study

The Endocrinologist, 1999
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ADULT MASTOCYTOSIS. RETROSPECTIVE COHORT STUDY

2020
Potapenko, Vsevolod Gennadievich, Medvedeva, Nadezhda, A. V. Klimovich   +2 more
openaire   +1 more source

Clinical course and risk factors for mortality of adult inpatients with COVID-19 in Wuhan, China: a retrospective cohort study

Lancet, The, 2020
Ronghui Du, Bin Song, Jiuyang Xu
exaly