![]() ![]() Prospective studies can be interventional, observational, or a mix of the two however, retrospective studies are always observational. A retrospective cohort study, also called a. We have outlined some of the reasons why retrospective research is generally considered inferior to prospective research and have explained some of the rationale for this view. ![]() Data is collected as their symptoms, characteristics, or circumstances change and are related to suspected risk or protection factors to understand the possible causes of the onset and development of the outcome. Retrospective studies are where the research methods used collect data about peoples experiences of past events. Individuals are followed over a long period of time and are observed for the development of the outcome. The technics, ways of measurement, and methods of investigation used in the epidemiologic study of the etiology of infectious diseases, in contrast to those. In prospective studies, on the other hand, the outcome has not yet happened at the time of study. The study goes back to the time when they were disease-free, and data from this time leading up to the outcome are collected and analyzed to understand the onset and progress of the disease/condition. In medicine and psychology, medical records and interviews could be used to collect past information about a group of patients with a particular medical condition. BACKGROUND:This retrospective study aimed to investigate outcomes and hospitalization rates in patients with a confirmed diagnosis of early COVID-19 treated. This data is then analyzed to understand what could have led to the outcome. Individuals are sampled and information about them is collected from the past. In this kind of study, the outcome has already happened when the study is being conducted. A retrospective study design involves collecting data from the past to examine exposures to suspected risk or protection factors in relation to an outcome that is established at the beginning of the study. ![]()
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