[PDF] Top 20 Investigating the assumptions of the self controlled case series method
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Investigating the assumptions of the self controlled case series method
... key assumptions of the self-controlled case series model, along with some related ...the assumptions are found to be questionable, the estimates of the parameters of interest may ... See full document
17
A self-controlled case series to assess the effectiveness of beta blockers for heart failure in reducing hospitalisations in the elderly
... The self-controlled case-series method has three key ...and controlled Table 3 Case-series analysis for 4 year observation ... See full document
7
The Factorized Self-Controlled Case Series Method: An Approach for Estimating the Effects of Many Drugs on Many Outcomes
... Two key assumptions underly the above likelihood. First, the model assumes that fu- ture outcomes are independent of past outcomes. For certain outcomes (e.g., myocardial infarction) this may not be reasonable. ... See full document
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The use of relative incidence ratios in self-controlled case series studies: an overview
... The self-controlled case series design (SCCS) was developed to address a number of challenges associated with studying the association between adverse health outcomes and transient exposures, ... See full document
9
Choice of observational study design impacts on measurement of antipsychotic risks in the elderly: a systematic review
... when investigating cerebrovascular hospitalisation events and positive associations when investigating outcomes defined as a diagnosis of all cerebrovascular events from general practitioners’ medical ... See full document
19
Proton pump inhibitors and the risk of pneumonia: a comparison of cohort and self-controlled case series designs
... SCCS method is that the occurrence of an outcome event must not alter the probability of subsequent exposures ...the self-controlled case series ... See full document
7
Acetaminophen administration and the risk of acute kidney injury: a self-controlled case series study
... The inclusion flow diagram is shown in Figure 2. This study was approved by the Ethics Committee of Kyoto University Graduate School and Faculty of Medicine (R0290). The Ethical Guidelines for Medical and Health Research ... See full document
12
Effect of the adjuvanted (AS03) A/H1N1 2009 pandemic influenza vaccine on the risk of rejection in solid organ transplant recipients in England: a self-controlled case series
... SCCS method that does not account for perturbed post-event exposure and thus included participants with SOT rejec- tions subsequent to the rejection event captured in the Figure 2 Disposition of study ...SCCS, ... See full document
10
A comparison of estimators from self-controlled case series, case-crossover design, and sequence symmetry analysis for pharmacoepidemiological studies
... The severe overestimation of the SSA estimates in Scenario 5 may be the manifestation of selection bias due to the probabilistic censoring of some patients who would experience their first exposure after the first event ... See full document
15
Self-controlled designs in pharmacoepidemiology involving electronic healthcare databases: a systematic review
... collected, self-controlled designs are an interesting option in observational studies of pharma- ceuticals ...[5]. Self-controlled designs are based only on cases, which then act as their own ... See full document
11
The application of the logarithmic series to the frequency of occurrence of plant species in quadrats
... In section III it is shown that if the plant units in the population are distributed among the species in a logarithmic series, and if the quadrats are true ranidom samples of a popula-[r] ... See full document
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The twin deficit hypothesis: the case of Bulgaria
... In order to proceed with the VEC we need to apply a unit root test to check stationa- rity of the time series used in the analysis. At least one of the variables should be an I(1) process in order to obtain ... See full document
21
The Method of Organizing the Iterative Process of the System of the Linear Algebraic Equations Solution Excluding the Multidigit Multiplication Operation
... the multiplication of the matrix coefficient by the quantum represent in the form of a shift operation by S binary digits. The introduction of this way of representing the quantum allows realizing the implementation of ... See full document
9
Effects of vicarious pain on self-pain perception: investigating the role of awareness
... of self-pain tolerance, intensity and unpleasantness were measured at baseline and trial, that is, before and after exposure to the passive viewing task realizing the experimental ...of self-pain by ... See full document
10
Some assumptions underlying discussion on the origins of life
... However, it is equally im- portant to combat the assumption that the observation demonstrates either that the primitive atmosphere was a gas mixture similar to that u[r] ... See full document
9
The Effects of Portfolio Method on Self-directed Learning (SDL) of Nursing Students
... portfolio method on self-directed ...sampling method and classified into intervention and control ...using self-directed learning ...of self-control and self-management in both ... See full document
5
Validity of a method for the self-screening of cardiovascular risk
... diseases. Self-screening for cardiovascular risk yielded remarkable specificity and negative predictive values compared with the gold ...of self-screening compared with standard screening, stratified by ... See full document
12
Febrile seizures after 2009 influenza A (H1N1) vaccination and infection: a nationwide registry based study
... Adjusted for calendar period January–March, April–August, and September–December and age in one-year bands b Results from self-controlled case series analysis, data from 656 Norwegian ch[r] ... See full document
7
<p>Investigating the Effect of Nano-Curcumin on the Expression of Biofilm Regulatory Genes of <em>Pseudomonas aeruginosa</em></p>
... Relative Real-time PCR was used to investigate the effect of Nano-Curcumin on the expression of genes gacA, retS, lasR, and rhlR. The comparison of gene expression was performed in fi ve cDNAs prepared from samples with ... See full document
8
The use of the Petri net method in the simulation modeling of mitochondrial swelling
... tion spectroscopy technique is informative and ef ficient for analysis of the size of spherical-like parti cles in the solutions. This method is highly sensitive (the changes in volume from 0.1% can be ... See full document
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