Identifying the mechanism of missingness for unspecified diabetic retinopathy disease severity in the electronic health record: an IRIS ® Registry analysisBrief Communications Published on 2023-06-162024-09-04 Journal: Journal of the American Medical Informatics Association [Category] 대상포진, [키워드] Diabetic retinopathy Electronic health record missingness registry [DOI] 10.1093/jamia/ocad037 PMC 바로가기 [Article Type] Brief Communications
Impact of COVID-19 pandemic on oncology clinical trial design, data collection and analysisCOVID-19 전염병이 종양학 임상 시험 설계, 데이터 수집 및 분석에 미치는 영향Article Published on 2022-05-012022-09-11 Journal: Contemporary clinical trials [Category] 임상, [키워드] Affect analyses Analysis ARMS assessment assessments clinical trial Clinical trial design clinical trials COVID-19 COVID-19 pandemic Data collection Data monitoring committee Decision tree disease Endpoint endpoints enrolled evaluate evaluated identify Impact impacted intent-to-treat missingness oncology overall survival Patient proportion proportions randomized trial recommendations regions robustness Simulation Sponsor statistical statistical inference Study design survival treat Treatment treatment arm Treatment effect size Trial Trial design trials [DOI] 10.1016/j.cct.2022.106736 PMC 바로가기 [Article Type] Article
Addressing missing values in routine health information system data: an evaluation of imputation methods using data from the Democratic Republic of the Congo during the COVID-19 pandemicResearch Published on 2021-11-042022-10-29 Journal: Population Health Metrics [Category] Coronavirus, MERS, SARS, [키워드] Algorithms changes in COVID-19 pandemic dataset estimate estimates evaluated examined exclusion handling Health health information Health management information system (HMIS) Health services research information interpolation introduced lack less Low- and middle-income countries (LMICs) machine management mechanism Missing data missing value missing values missingness multiple imputation multiple imputation method no substantial difference parameter Poor produced proportion Regression analyses resource Result robust Routine health information systems (RHIS) sensitivity Seven stability standard error subsequent subsequent analyses supplementary material tested variety Wilcoxon rank-sum test Wilcoxon rank-sum tests [DOI] 10.1186/s12963-021-00274-z PMC 바로가기 [Article Type] Research
Increased mortality in community-tested cases of SARS-CoV-2 lineage B.1.1.7SARS-CoV-2 계통의 커뮤니티 테스트 사례에서 사망률 증가 B.1.1.7Article Published on 2021-05-012022-09-11 Journal: Nature [Category] Fulltext, SARS, 변종, 치료기술, 치료제, [키워드] 95% confidence interval absence absolute risk age Analysis B.1.1.7 Care Community Correcting country dataset death Deprivation disease severity England Ethnicity gene target hazard Increased Lineage Lineage B.1.1.7 Local Misclassification missingness Mortality Mutation PCR amplification positive Positive test presence or absence Prevent residence risk of death S gene S gene target failure SARS-CoV-2 SARS-CoV-2 lineage SARS-CoV-2 variants Sex spread to variant variants with COVID-19 [DOI] 10.1038/s41586-021-03426-1 PMC 바로가기 [Article Type] Article
A four-step strategy for handling missing outcome data in randomised trials affected by a pandemicResearch Article Published on 2020-08-122022-10-28 Journal: BMC Medical Research Methodology [Category] COVID-19, Fulltext, MERS, [키워드] affected Analysis arising assumption clinical trials clinically condition Controlled multiple imputation coronavirus coronavirus SARS-CoV-2 COVID-19 Estimands exacerbated expected facilitate Follow-up handling highlight Infection investigator Missing data missingness multiple imputation Occurrence outcome pandemic primary analysis problem question Randomised trial randomised trials recommendation Result Sensitivity analyses sensitivity analysis statistical analysis Treatment treatment effect Trial used to evaluate variety [DOI] 10.1186/s12874-020-01089-6 PMC 바로가기 [Article Type] Research Article