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17 lip 2017 · In case-control studies, the control group constitutes individuals with another manifestation of the outcome (e.g., healthy individuals or survivors). This outcome can be considered as two case series (i.e., case group and no case group).
1 sty 2023 · Case series are observational descriptive studies in which researchers present a group of patients with common characteristics or diseases, and describe clinical progression, treatment, and outcomes. The clinical narrative generally highlights unusual diagnoses or responses to treatments and can often describe new treatment options or techniques.
1 sty 2023 · Compared to design and execution of randomized controlled trials (RCTs), case series are a relatively cost-effective and less labor-intensive approach to identifying clinical correlations and testing new hypotheses.
1 lip 2020 · In a case-control study the researcher identifies a case group and a control group, with and without the outcome of interest. Such a study design is called observational because the researcher does not control the assignment of a subject to one of the groups, unlike in a planned experimental study.
We define the case series as: a group of patients with similar diagnoses or undergoing the same procedure fol-lowed over time. The case series may be used in several settings: Initial reports of a new diagnosis or innovative treatment. Single physician or hospital reports of outcomes. Multi-institutional registry.
4 lut 2023 · A case-control study is an experimental design that compares a group of participants possessing a condition of interest to a very similar group lacking that condition. Here, the participants possessing the attribute of study, such as a disease, are called the “case,” and those without it are the “control.”
5 wrz 2021 · For specific events, such as rare acute poisonings or preliminary reports of new drugs, we posit that case reports/studies and case series (human subjects research with no control group) may provide important evidence for systematic reviews.
