Researchers investigated the association between opium use and subsequent risk of death. A prospective cohort study design was used. Participants were 50045 people in north-eastern Iran aged 40-75 years at baseline. Recruitment took place between January 2004 and June 2008, and participants were ...
Summarize the strengths and weaknesses and advantages and disadvantages of the various types of observational study designs: ecologic, cross-sectional, case-control, and cohort. What are the strengths and weaknesses of ecologic studies? Discuss the strengths and weaknesses of case-c...
retrospective cohort study of EoE patients at the University of North Carolina treated with compounded budesonide dispensed by a specialty compounding pharmacy... CC Reed,C Fan,NT Koutlas,... - 《Hsoa J Gastroenterol Hepatol Res》 被引量: 3发表: 2018年 ICIG to acquire Benvic PVC compounds...
The Ontario Mother and Infant Study (TOMIS) III: A multi-site cohort study of the impact of delivery method on health, service use, and costs of care in th... patient counselling and discussions about the advantages and disadvantages of different delivery methods, potentially leading to changes...
Summarize the strengths and weaknesses and advantages and disadvantages of the various types of observational study designs: ecologic, cross-sectional, case-control, and cohort. What are the advantages and disadvantages of cross-pollination? What are some of the advantages and disadvantages of prescribi...
2.1. Study Cohort Samples from all patients with a diagnosis of high-grade endometrioid EC (HGEC) and other high-grade endometrial carcinomas (OHECs) who underwent bilateral hysteron-adnexectomy in the period 2018–2020 were collected. In the latter group, only serous EC (the prototype of ty...
We included randomized clinical trials, controlled before-and-after studies, prospective and retrospective cohort studies, cross-sectional studies and case-control studies, reviews, and animal studies. Conference abstracts, books or grey literature, articles not written in English were excluded. Articles ...
What are the advantages of a cross-sequential study design? Cross-sequential studies share some of the benefits of cross-sectional and longitudinal studies. It allows researchers to compare multiple groups across time, to test for cohort effects since the study involves multiple groups, and...
The “twin family” design is a new strategy for studying quantitative characters in man which overcomes most limitations of earlier designs and which is readily accessible to existing twin research units as it uses only adult twins (both identical and n
Guidelines on the use of space maintainers following premature loss of primary teeth. Only clinical trials, cohort studies, case-control studies, or large case series were considered.Relevant clinical findings were evaluated and categorized ... DJ Brothwell - 《Journal》 被引量: 52发表: 1997年 ...