Jiao- Jiao Shi, Yu-Jie Wang, Ping-Ping Lyu, Jing-Wen Hu, Xiao-Sa Wen, Hui-Jing Shi
Effects of school myopia management measures on myopia onset and progression among Chinese primary school students
BMC public health
due fact congenital hypothyroidism one preventable causes mental retardation study conducted determine risk factors children congenital hypothyroidism descriptiveanalytical crosssectional study study population included children congenital hypothyroidism referred outpatient clinics teaching hospitals whose congenital hypothyroidism diagnosed physician specializing field first months birth data collection tool researchermade checklist includes individual clinical variables age sex height weight several children family etc order analyze data spss19 software descriptive statistics mean standard deviation frequency percentage used describe demographic information significance level used statistical tests considered equal 005 results study showed 350 affected children 163 466 girls 187 534 boys also majority children 6 years old 3514 children live city 8857 also 5571 mothers affected children normal delivery 5742 parents children family relationship according results study many risk factors congenital hypothyroidism identified therefore based findings health planners consider necessary strategies prevent control congenital disease timely manner