Xiaoyan Yu, Lin Ouyang, Jinxiu Li, Ying Peng, Dingming Zhong, Huan Yang, Yanyan Zhou
Knowledge, attitude, practice, needs, and implementation status of intensive care unit staff toward continuous renal replacement therapy: a survey of 66 hospitals in central and South China
BMC nursing
background attention deficit hyperactivity disorder adhd among common neurodevelopmental disorders children adolescents controversy true prevalence adhd iran knowledge crucial allocating health care resources identifying research priorities updated systematic review prevalence adhd iranian children adolescents methods systematic review pubmedmedline web science scopus psycinfo iranpsych iranmedex irandoc google scholar grey literature reached publications january 1990 december 2018 reported prevalence estimates adhd iran parallel independent assessments conducted quality assessment checklist prevalence studies used assess overall quality studies results total 34 original studies covering 33 621 iranian children adolescents adults included included studies mostly conducted population preschool elementary middle high schoolaged children well adolescents also 6 studies addressed university students prevalence estimates adhd reported varied substantially across studies offered range heterogeneous data conclusion overall making exact comparisons among studies easy assessment method type sampling could impact prevalence estimates factors need considered comparing data different studies