Prevalence and Medical Costs of Intellectual Disabilities and Pervasive Developmental Disorder in Korea: Based on National Health Insurance Service Claims Data from 2007 to 2019.

Objective: We aimed to investigate the annual prevalence of intellectual disabilities (ID) and autism spectrum disorder employing claims data registered in Korean National Health Insurance Service. We also estimated the annual average of medical costs incurred from these disorders using same datasets.

Methods: In order to obtain the prevalence, we selected patients diagnosed with ID and pervasive and specific developmental disorders (PDD) from 2007 to 2019.

Association between Metabolic Syndrome and Risk of Hypopharyngeal Cancer: A Nationwide Cohort Study from Korea.

This study evaluated the relationship between metabolic syndrome (MS) and the risk of hypopharyngeal cancer. This retrospective cohort study used data from the Korean National Health Insurance Research Database. A total of 4,567,890 participants who underwent a health checkup in 2008 were enrolled.

Healthcare Utilization and Costs According to Frailty Transitions After Two Years: A Korean Frailty and Aging Cohort Study.

Background: Korea's aging population has raised several challenges, especially concerning healthcare costs. Consequently, this study evaluated the association of frailty transitions with healthcare utilization and costs for older adults aged 70 to 84.

Methods: This study linked the frailty status data of the Korean Frailty and Aging Cohort Study to the National Health Insurance Database.

Association between oral cavity cancer and metabolic syndrome.

Purpose: Few studies have been conducted on the association between oral cavity cancer and metabolic diseases. This study aimed to investigate the relationship between oral cavity cancer and metabolic diseases.

Methods: This cohort study used the database of the Korean National Health Insurance Service, which contains medical data of 97% of the Korean population.

Metabolic Diseases and Risk of Head and Neck Cancer: A Cohort Study Analyzing Nationwide Population-Based Data.

The aim of the study was to investigate the association between metabolic diseases and the risk of head and neck cancer (HNC) using nationwide population-based big data. This retrospective cohort study was conducted using the Korean National Health Insurance Service health checkup database. A total of 4,575,818 participants aged >40 years who received a health checkup in 2008 were enrolled, and we studied the incidence of HNC until 2019.

Nationwide Rate of Adult ADHD Diagnosis and Pharmacotherapy from 2015 to 2018.

There is a paucity of published literature on the epidemiology of adult attention-deficit/hyperactivity disorder (ADHD). We investigated the time trends of the diagnostic and pharmacotherapy incidence of ADHD, including the first used medication, in the adult population based on a Korean population-based database from 2015 to 2018. The number of diagnosed cases of ADHD significantly increased from 7782 in 2015 to 17,264 in 2018 ( = 0.

Comparison of Persistence and Adherence Between Adults Diagnosed with Attention Deficit/Hyperactivity Disorder in Childhood and Adulthood.

Purpose: Long-term treatment of attention deficit/hyperactivity disorder (ADHD) is important, but adherence and persistence in practice are still suboptimal. To better understand medication compliance for ADHD, we divided adults with ADHD into groups based on their history of childhood and adolescent ADHD, and compared their characteristics, medication adherence and persistence, and associated factors.

Patients And Methods: This study included participants aged 18-23 years with claims related to ADHD (International Classifications of Diseases 10th edition, F90.

Incidence and Direct Medical Cost of Adjustment Disorder and in Korea Using National Health Insurance Service Claims Data From 2011 to 2017.

Objective: We aimed to investigate the annual incidence and direct medical cost of adjustment disorder in general population using the National Health Insurance Service Database (NHID) in Korea.

Methods: To examine the incidence, we selected patients who had at least one medical claim for adjustment disorder and had not been diagnosed in the previous 365 days, from 2010 to 2017.

Results: The number of newly diagnosed cases of adjustment disorder from 2011 to 2017 were total 101,922.

Incidence and Direct Medical Cost of Acute Stress Disorder and Post-traumatic Stress Disorder in Korea: Based on National Health Insurance Service Claims Data from 2011 to 2017.

Background: We aimed to investigate the annual incidence of trauma and stress-related mental disorder including acute stress disorder (ASD) and post-traumatic stress disorder (PTSD) using the National Health Insurance Service Database. In addition, we estimated direct medical cost of ASD and PTSD in Korea.

Methods: To examine the incidence, we selected patients who had at least one medical claim containing a 10th revision of the International Statistical Classification of Diseases and Related Health Problems code for ASD (F43.

Estimating Disability-Adjusted Life Years due to Tuberculosis in Korea through to the Year 2040.

Despite efforts to reduce its incidence, tuberculosis continues to burden the rapidly aging Korean society. This study aimed to investigate the current trend of tuberculosis burden in Korea and its projections to 2040. We used National Health Insurance claims data to calculate the disability-adjusted life years due to tuberculosis in Korea.

Korean nurses' adherence to safety guidelines for chemotherapy administration.

Purpose: Nurses are at risk from handling chemotherapeutic agents. This study aimed to determine adherence to safety guidelines for chemotherapy administration by Korean nurses and to examine the relationship between the hospital safety climate and nurses' adherence to safety guidelines.

Method: A descriptive, correlational design with a cross-sectional survey using data from the Korea Nurses' Health Study.