External Validation of Two 10-Year Stroke Risk Prediction Models Using Korean Genome and Epidemiology Study Data.

This study aimed to externally validate two 10-year stroke risk prediction models: one developed in Korea (Model 1) and the other in China (Model 2), using community-based cohort data. Data from 8432 participants in Model 1 and 8915 participants in Model 2 were analyzed. Stroke risk was calculated based on each model's equations, and model performance was assessed using the area under the receiver operating characteristic curve (AUC).

Indication-based and patient-based hand hygiene performance among nurses working at a university hospital.

The traditional method of monitoring hand hygiene (HH) based on specific indications does not ensure that HH is performed for all required indications during patient care. This study aimed to compare HH performance rates (HHPRs) based on specific indications versus overall patient care among nurses at a university hospital. The study retrospectively analyzed HH monitoring data for 1398 indications from 543 patients and 190 nurses.

Time to Diagnosis and Treatment of Diabetes Mellitus among Korean Adults with Hyperglycemia: Using a Community-Based Cohort Study.

Objectives: To identify the time from hyperglycemia to diabetes mellitus (DM) diagnosis and treatment, the risk factors for diabetes development, and the prevalence of comorbidities/complications in patients > 40 years of age.

Methods: This secondary data analysis study used data from the Korean Genome and Epidemiology Study. The participants comprised 186 patients who did not have diabetes at baseline, but developed hyperglycemia at the first follow-up.

Epidemiological characteristics of carbapenem-resistant Enterobacteriaceae and carbapenem-resistant Acinetobacter baumannii in a tertiary referral hospital in Korea.

Objectives: This study aimed to identify the epidemiological characteristics of patients with carbapenem-resistant Enterobacteriaceae and Acinetobacter baumannii (CRE/ CRAB) isolates in a tertiary referral hospital in Korea.

Methods: We collected and analyzed data from 528 adults admitted to a tertiary referral hospital from August 1, 2018 to February 29, 2020. The CRE/CRAB isolates were confirmed as being present at the time of patients' admission or acquired during hospitalization based on their medical records.

Effect of the personal protective equipment donning and doffing program for nurses in military hospitals.

This study aimed to develop and verify the effect of a new personal protective equipment donning and doffing program for nurses in military hospitals. A total of 40 nurses (20 experimental group, 20 control group) participated in this nonequivalent control group experimental study. The new program consisted of the description of the design modification of the inner and outer boundary marks of coveralls and a video with verbal instructions and footswitch that the participants could watch at their own pace.

Epidemiological Characteristics of Carbapenemase Producing Carbapenem-Resistant Enterobacteriaceae Colonization.

Purpose: This study identified the epidemiological characteristics, including the size and major strains, of carbapenemase-producing carbapenem-resistant Enterobacteriaceae (CP-CRE) and CP-CRE-related factors by comparing the characteristics of patients in the CP-CRE and non-CP-CRE groups and the CP-CRE and non-CRE groups.

Methods: This secondary data analysis study included 24 patients in the CP-CRE group, 113 patients in the non-CP-CRE group, and 113 in the non-CRE group. The size and type of CP-CRE were analyzed in terms of frequency and percentage, and CP-CRE risk factors were identified using multiple logistic regression analysis.

Social determinants related to COVID-19 infection.

This study was aimed at identifying the social determinants related to COVID-19 infection in South Korea. This secondary analysis used data from the 2020 Community Health Survey, a nationwide sample taken to understand the health status of Korean residents. The participants were 220 970 adults 19 years of age or older.

Risk assessment and classification for foot ulceration among patients with type 2 diabetes in South Korea.

Aim: This study aimed to investigate the distribution of foot conditions, the risk of foot ulceration and its associated factors in patients with diabetes. Few studies have focused on the risk of foot ulceration in patients with diabetes.

Methods: A total of 267 patients with diabetes who attended outpatient clinics in two tertiary referral hospitals were recruited from June to September 2016.

[Level of Complete Knowledge on Five Moments of Hand Hygiene among Nurses Working at Integrated Nursing Care Service Wards].

Purpose: This study aimed to identify the level of complete knowledge about hand hygiene indications among nurses working at integrated nursing care service wards.

Methods: A total of 127 nurses in eight integrated nursing care service wards completed structured sheets while observing a video based on six scenarios developed by the research team. Complete knowledge level was calculated as the percentage (%) of participants who responded correctly to all questions among participants.

Current Status and Associated Factors of Annual Eye Examination Among People with Type 2 Diabetes Mellitus: Using the 7th National Health and Nutrition Examination Survey.

Purpose: To evaluate the level of annual eye examination (AEE) and identify the associated factors among people with diabetes mellitus (DM).

Methods: A secondary data analysis was conducted using data from the Korean National Health and Nutrition Examination Survey (2016-2018). A total of 1,465 people with DM (726 men and 739 women) aged ≥40 years were included.

[Development of a Diabetic Foot Ulceration Prediction Model and Nomogram].

Purpose: This study aimed to identify the risk factors for diabetic foot ulceration (DFU) to develop and evaluate the performance of a DFU prediction model and nomogram among people with diabetes mellitus (DM).

Methods: This unmatched case-control study was conducted with 379 adult patients (118 patients with DM and 261 controls) from four general hospitals in South Korea. Data were collected through a structured questionnaire, foot examination, and review of patients' electronic health records.

Compliance with Recommendations on Work Schedule for Shift Nurses in South Korea.

Background: A well-designed shift schedule has been reported to have a positive effect on improving health problems associated with shift work. This study aimed to identify compliance with the 17 recommendations on work schedule (WSRs) for shift nurses and related factors.

Methods: The descriptive study was conducted with 182 nurses who worked in three shifts for more than 1 year at superior general and general hospitals in three regions.

Impact of Obesity on Urinary Tract Infections in Korean Adults: Secondary Data Analysis Using Community-Based Cohort Study.

Purpose: This study investigated the incidence of urinary tract infection (UTI) in community-dwelling adults and identified the association between obesity and UTI.

Methods: The participants were 4,926 adults aged over 40 years who had no UTIs at the baseline survey of the Korean Genome Epidemiology Study. Obesity was defined according to the cirtieria of Korean Society for the Study of Obesity using body mass index (BMI) data.

Sex differences in the relationship between depression and cardiovascular disease risk: a nationwide study in Korea.

Objective: This study aimed to identify sex differences in the association between depression and the risk of developing cardiovascular disease (CVD).

Methods: A secondary analysis was conducted of data from the fifth to seventh waves (2010-2018) of the Korea National Health and Nutrition Examination Survey. The participants were adults aged 30-74 years who had no diagnosis of CVD.

The relationship between mother-infant contact time and changes in postpartum depression and mother-infant attachment among mothers staying at postpartum care centers: An observational study.

This observational study investigated the relationship between mother-infant contact time and changes in postpartum depression and mother-infant attachment. The study population consisted of 101 mothers staying for 14 days at two postpartum care centers in Busan, Republic of Korea. Data were collected from February to March 2018 using a self-administered questionnaire that covered postpartum depression, mother-infant attachment, and included a contact timesheet.

Development of a Nomogram for Carbapenem-Resistant Enterobacteriaceae Acquisition Risk Prediction Among Patients in the Intensive Care Unit of a Secondary Referral Hospital.

Purpose: This study aimed to identify the risk factors of carbapenem-resistant Enterobacteriaceae (CRE) acquisition to build a nomogram for CRE acquisition risk prediction and evaluate its performance.

Methods: This unmatched case-control study included 352 adult patients (55 patients and 297 controls) admitted to the intensive care unit (ICU) of a 453-bed secondary referral hospital between January 1, 2018, and September 31, 2019, in Busan, South Korea. The nomogram was built with the identified risk factors using multiple logistic regression analysis.

Level of and Related Factors to Diabetes Awareness among Diabetic Adults by Gender: Based on Data from the Korean National Health and Nutrition Examination Survey.

Purpose: This study aimed to determine the level of awareness about diabetes mellitus (DM) and identify the associated factors among diabetic adults in Korea by sex, using data from most recent nationwide representative survey.

Methods: Secondary data analysis was conducted using data obtained from the Korean National Health and Nutrition Examination Survey VII (2016-2018). In total, 2,026 participants (1,049 men, 977 women) aged ≥30 years with DM were included.

Personal Listening Device Use Habits, Listening Belief, and Perceived Change in Hearing Among Adolescents.

Purpose: This study aimed to identify personal listening device (PLD) usage habits, listening belief, and perceived change in hearing, and to investigate how the variables related to perceived change in hearing among adolescents.

Methods: The participants were 183 middle school students and 233 high school students from Ulsan. Data were collected by self-reported questionnaires from August 1, 2019, to October 22, 2019, and analyzed with descriptive statistics, χ test, Mann-Whitney U test, and hierarchical multiple logistic regression.

Validation of the Korean version of the Kidney Transplant Understanding Tool.

Purpose: Because there are no new and validated tools that assess knowledge of kidney transplant (KT), we aimed to construct the Korean version of the Kidney Transplant Understanding Tool (K-TUT) and to validate it.

Methods: The Korean version of the K-TUT was established based on a translation and cultural adaptation process. A total of 69 items were reviewed by eight experts in KT for content validity, and a quantitative analysis was used to assess convergent and criterion validity (correlation coefficients), internal consistency (Kuder-Richardson 20, KR-20), test-retest reliability (intraclass correlation coefficient, ICC), item difficulty, and item discrimination for 29 KT candidates and 91 KT recipients.

[External Validation of Carbapenem-Resistant Acquisition Risk Prediction Model in a Medium Sized Hospital].

Purpose: This study was aimed to evaluate the external validity of a carbapenem-resistant (CRE) acquisition risk prediction model (the CREP-model) in a medium-sized hospital.

Methods: This retrospective cohort study included 613 patients (CRE group: 69, no-CRE group: 544) admitted to the intensive care units of a 453-beds secondary referral general hospital from March 1, 2017 to September 30, 2019 in South Korea. The performance of the CREP-model was analyzed with calibration, discrimination, and clinical usefulness.