Guan Yu, Haoda Fu, Yufeng Liu
High-dimensional Cost-constrained Regression via Nonconvex Optimization
Technometrics : a journal of statistics for the physical, chemical, and engineering sciences
lung cancer lc relevant public health problem brazil worldwide given high incidence mortality thus objective study analyze distribution smoking smoking status according sociodemographic characteristics disparities access treatment mortality due lc brazil 2013 2019 retrospective study triangulation national data sources analysis distribution smoking based national survey health pns b investigation lc records via hospitalbased cancer registry hcr c distribution mortality due lc mortality information system sim decrease percentage people never smoked 2013 685 2019 602 smoking history packyears observed greater men people older age groups less education concerning patients registered hcr entry healthcare service occurs age 50 19 never smoked smokers population mainly mixedrace patients hcr primarily white initial stage ii common white people people never smoked mortality rate varied 100 people higher education 336 people without education furthermore white people mortality rate three times higher black mixedrace people article highlighted relevant sociodemographic disparities access lc diagnosis treatment mortality therefore recommendation strengthen populationbased cancer registry develop implement nationwide lc screening strategy brazil since combined prevention early diagnosis strategies work better controlling mortality disease continued investment tobacco prevention control policies