The sensitivity analysis revealed slightly worse impairment (as reflected in larger effect sizes (data not shown)) among the persons with NF1 compared to the revised NF1-free control group after exclusion of three participants from that group. However, the same cognitive functions were significantly...
To evaluate triptan use and overuse as well as prescription patterns in Austria based on a nationwide healthcare database because data on triptan use and overuse in Austria is missing. We included all persons insured with one of 19 Austrian social security institutions in 2007. Inclusion criteria...
Strengths and Limitations The strength of observational studies using nationwide databases is that there are no missing data on rehospitalization or treatment failure, whereas in RCTs, the dropout rates are about 50% to 60% of the patients, leading to missing data.24 Our database did not inclu...
There is no data of these tests in other ages of participants. Therefore, all participants included in the present study were 66 years old. KNHIS created the National Health Information Database (NHID), which includes data on healthcare utilisation, health screening results of the NSTPA ...
The main strength of this study is that the data used was from a large-scale nationwide database that represents the entire Korean population. Where other studies mostly focused on the older population, we included not only the aged population but the middle-aged population (between 40 to 60 ...
Missing outcome data were first accounted for using a missing=failure approach in which all participants lost to follow-up were included and assumed to have not achieved the primary and secondary outcomes. Multiple imputation was also then performed using the fully conditional specification method in ...
One limitation worth noting is the inherent drawback of retrospective studies of missing data, which may lead to underestimation of the magnitude of point estimates. However, the NAP has made efforts to improve the central database over recent years. Indeed, the majority of missing data fields ...
Data curation: MD. Formal analysis: MD. Funding acquisition: MD. Investigation: MD. Methodology: MD. Project administration: MD. Visualization: MD. Writing – original draft: MD. Writing – review & editing: MD. References 1. European Commission, Eurostat, Database. Prevalen...
Maternal and paternal ages at the time of birth were categorized as o25, 25–29, 30–34, 35–39, ⩾ 40 years.29 Data on family income after deduction of taxes were obtained from the Integrated Database for Labor Market Research, adjusted for family size, and categorized into quintiles ...
The NHIS database also contains data from annual or biennial health screening exams offered free of charge by the Ministry of Health and Welfare to all beneficiaries aged 40 years and older and all employees regardless of age. Approximately 72% of all eligible persons undergo this screening31, ...