Population-based case-control study
WebJul 22, 2013 · Background Cholangiocarcinoma, including intra- and extrahepatic cholangiocarcinoma, is a rare but highly lethal cancer. Despite effort in finding the risk … 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. …
Population-based case-control study
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WebIn the total study population (N = 1,405) using nondiabetics as the referent group, PC risk was inversely associated with diabetes duration (ptrend < 0.001). Further, when DM2 participants were grouped by ever/never use of metformin and compared with nondiabetics, metformin use did not affect the association between DM2 and PC risk (never users: OR: …
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 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 …
WebThe teratogenic potential of oral and topical corticosteroid treatment during pregnancy was evaluated in the population-based large dataset of the Hungarian Case-Control … WebApr 13, 2024 · In this population-based study, maternal history of early-onset colorectal cancer was associated with risk of both adverse pregnancy (pre-eclampsia, C-section) and neonatal outcomes (preterm birth). Pregnancy and neonatal outcomes among women with early-onset colorectal cancer: a nationwide case–control study - eClinicalMedicine
WebIn the module entitled Overview of Analytic Studies it was noted that Rothman describes the case-control strategy as follows: "Case-control degree will top tacit via considers as the starting point a source population, which representing a hypothetical study population in which a cohort study might have were conducted.The source population is that …
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 … sma to ipex connectorWebApr 4, 2016 · This study is the first nationwide population-based case-control study conducted to investigate the correlation between BPPV and dental manipulation. Methods … sma to tnc bulkhead adapterWebFeb 26, 2024 · Population-based studies may include a variety of study types. They may include case-control studies, cross-sectional studies, twin studies, or prospective and … sma torontoWebBackground 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). … sma town hallWebDec 1, 2008 · Case-control studies are one of the most fre- quently used designs in epidemiology, having been de- fined as an efficient version of cohort studies 1. Part of the … sma to tnc adapterWeb2 days ago · Tseng, Chen, Yu, & Chang. (2024). Association between Dental Amalgam Filling and Essential Tremor: A Nationwide Population-Based Case Control Study in Taiwan. sma to ts9 connectorWebPrevious studies investigating hearing thresholds in DM, in Nigeria 7 – 9 and elsewhere, 10 – 16 have been dominated by descriptive cross-sectional surveys, often with widely variable results. The reported prevalence of hearing loss ranges from 0.0% to 90.0%. Consequently, the investigators conducted a hospital-based case–control ... high waisted trendy bell bottoms