Population-based case-control study
WebThe purpose of this study was to investigate whether individuals receiving influenza vaccines have a lower risk of pneumonia. A nationwide population-based case-control study was conducted using data from the National Health Insurance Research Database in Taiwan. We enrolled 7565 patients each in pneumonia and non-pneumonia groups after … WebStudy with Quizlet and memorize flashcards containing terms like 1. In a case-control study of oral contraceptives and myocardial infarction, exposure the OCs was abstracted from medical records at the time of the MI. Results might be biased toward finding an association by all of the following except: A. Physicians might have asked about use of OC use more …
Population-based case-control study
Did you know?
WebThis study has been undertaken in order to find the possible environmental risk factors for congenital heart malformations in Korea. A total of 114 mothers of first graders of the elementary schools with congenital heart malformations confirmed through the screening program in Kyonggi Province from 1992 to 1995 were included as cases. WebBackground Shift work, which often results in sleep deprivation and circadian desynchrony, has been associated with increased risk of multiple sclerosis (MS). We aimed at studying the impact of sleep duration, circadian disruption and sleep quality on MS risk. Methods We used a Swedish population-based case-control study (2075 cases, 3164 controls). …
WebA population-based case-control study is one in which the cases come from a precisely defined population, such as a fixed geographic area, and the controls are sampled directly from the same population. In this situation … WebMay 16, 2024 · Case-control studies are usually based on past data, so all of the necessary information is readily available, ... The controls, too, may not be typical of the population.
WebA nested case–control (NCC) study is a variation of a case–control study in which cases and controls are drawn from the population in a fully enumerated cohort. [1] Usually, the exposure of interest is only measured among the cases and the selected controls. Thus the nested case–control study is more efficient than the full cohort design.
WebPopulation based case control studies are generally more expensive and difficult to conduct. Selection of controls A particular problem inherent in case-control studies is the selection of a comparable control group. …
WebApr 12, 2024 · Therefore, our study aimed to identify the factors associated with urolithiasis in the country, identify the symptoms of urolithiasis among the cases and identify the most common diagnostic methods. Methodology: It was a case-control study design. The study population was adults above 18 years attending a tertiary care centre. make your first pivot tableWebThe data was analyzed based on age, gender, tobacco-related habits, and histopathological diagnosis. The exclusion criteria for the study were the cases reported as carcinoma, patients associated ... Results Among 141 white lesions, about 85 cases [60.2%] were confirmed as oral leukoplakia, of which the study population had 55 (64.7%) males ... make your gacha life characterWebFeb 4, 2024 · The population you are studying is difficult to contact for follow-up questions (e.g., asylum seekers). Tip Many students confuse case-control studies with cohort … make your free throws sweatshirtWebCase-control studies. For establishing cause-and-effect relationships, e.g., between types of sexual behavior developing cervical cancer, no study design is more highly regarded than the randomized experiment.For medical interventions, the 'gold standard' is the double blind randomized controlled trialdouble blind randomized controlled trial make your facial hair growWebMar 15, 2024 · This population-based case–control study was conducted at Leumit Health Services (LHS), a large Healthcare Maintenance Organization (HMO) in Israel serving 724,129 persons during the study period from 1 March 2024 to 31 December 2024. make your free throwsWeb1 day ago · Drugs associated with bullous pemphigoid. A case-control study. Cardiovascular Risk and Psoriasis: Beyond the Traditional Risk Factors; Dangerous factor analysis of cardiovascular complications for diabetic; Covid‐19 pandemic and the skin; The Association of Bullous Pemphigoid With Atopic Dermatitis and Allergic Rhinitis-A Population-Base... make your friends call each otherWebAug 9, 2024 · Study population. This study included subjects from the Swedish epidemiological investigation of RA (EIRA), a population-based case-control study, from defined geographical areas of central Sweden. The EIRA study was initiated in 1996 and is still ongoing. The general study design has been described in detail elsewhere . make your fridge more efficient