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1.
Article in English | MEDLINE | ID: mdl-33572855

ABSTRACT

In this cross-sectional study, we investigated the baseline risk factors of diabetes mellitus (DM) in patients with undiagnosed DM (UDM). We utilized the Korean National Health and Nutrition Examination Survey (KNHANES) 2010-2017 data. Data regarding the participants' demographic characteristics, health status, health determinants, healthcare accessibility, and laboratory tests were gathered to explore the differences between the DM, UDM, and without-DM groups. Among the 64,759 individuals who participated in the KNHANES 2010-2017, 32,611 individuals aged ≥20 years with fasting plasma glucose levels of <100 or ≥126 mg/dL were selected. The odds ratios (ORs) regarding family history of diabetes and the performance of national health and cancer screening tests were lower in the UDM group than in the DM group (adjusted OR: 0.54; 95% confidence interval (CI): 0.43, 0.66; adjusted OR: 0.74; 95% CI: 0.62, 0.89; adjusted OR: 0.71; 95% CI: 0.60, 0.85). The ORs of hypertension and obesity were higher in the UDM group than in the DM group (adjusted OR: 1.32; 95% CI: 1.06, 1.64; adjusted OR: 1.80; 95% CI: 1.37, 2.36, respectively). Patients with UDM were more likely to be exposed to DM-related risk factors than those with and without DM. Public health interventions to prevent UDM development are necessary.


Subject(s)
Diabetes Mellitus , Adult , Aged , Cross-Sectional Studies , Diabetes Mellitus/epidemiology , Humans , Nutrition Surveys , Prevalence , Republic of Korea/epidemiology , Risk Factors
2.
Article in English | MEDLINE | ID: mdl-33266117

ABSTRACT

A screening model for estimating undiagnosed diabetes mellitus (UDM) is important for early medical care. There is minimal research and a serious lack of screening models for people with a family history of diabetes (FHD), especially one which incorporates gender characteristics. Therefore, the primary objective of our study was to develop a screening model for estimating UDM among people with FHD and enable its validation. We used data from the Korean National Health and Nutrition Examination Survey (KNHANES). KNAHNES (2010-2016) was used as a developmental cohort (n = 5939) and was then evaluated in a validation cohort (n = 1047) KNHANES (2017). We developed the screening model for UDM in male (SMM), female (SMF), and male and female combined (SMP) with FHD using backward stepwise logistic regression analysis. The SMM and SMF showed an appropriate performance (area under curve (AUC) = 76.2% and 77.9%) compared with SMP (AUC = 72.9%) in the validation cohort. Consequently, simple screening models were developed and validated, for the estimation of UDM among patients in the FHD group, which is expected to reduce the burden on the national health care system.


Subject(s)
Diabetes Mellitus, Type 2 , Diabetes Mellitus , Area Under Curve , Diabetes Mellitus/diagnosis , Diabetes Mellitus/epidemiology , Female , Humans , Male , Mass Screening , Nutrition Surveys , Risk Factors
3.
Prim Care Diabetes ; 14(3): 246-253, 2020 06.
Article in English | MEDLINE | ID: mdl-31548127

ABSTRACT

AIM: We investigated the association between statin use and new-onset diabetes (NODM) in Korean adults with hypercholesterolemia. METHODS: This study performed based on data from the National Health Insurance Service-National Health Screening Cohort for the years from 2002 to 2015. Statin users classified as high- or low- users according to medication possession ratio. Statin non-users consisted of hypercholesterolemic participants who never used statin over the entire follow-up period. 21,469 participants (10,880 statin users, 10,589 statin non-users) with a median follow-up period of 12.5 years were included. We estimated the NODM risk based on the survival analyses. In particular, to adjust for confounding effects, we considered Cox proportional hazards regression models over three stages. RESULTS: Compared to non-users, statin users had a significantly higher risk for NODM. The fully adjusted hazard ratios (aHRs) (95% confidential intervals [95% CIs]) of statin users for NODM were 1.43 (1.31-1.57) in men, and 1.86 (1.66-2.10) in women, respectively after adjusted confounding factors including age and lifestyle factors. Compared to high-users, aHRs (95% CIs) of low-users for NODM were 1.16 (1.03-1.30) and 1.28 (1.16-1.43) in men and women, respectively. CONCLUSIONS: In hypercholesterolemic patients, statin users have a higher risk of NODM than non-users.


Subject(s)
Diabetes Mellitus/epidemiology , Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Hypercholesterolemia/complications , National Health Programs/statistics & numerical data , Risk Assessment/methods , Databases, Factual , Diabetes Mellitus/etiology , Diabetes Mellitus/prevention & control , Female , Follow-Up Studies , Humans , Hypercholesterolemia/drug therapy , Incidence , Male , Middle Aged , Republic of Korea/epidemiology , Retrospective Studies , Risk Factors
4.
Nutr Metab Cardiovasc Dis ; 29(7): 701-709, 2019 07.
Article in English | MEDLINE | ID: mdl-31133496

ABSTRACT

BACKGROUND AND AIMS: We investigated the association between statin use and site-specific risk of colorectal cancer in individuals with hypercholesterolemia. METHODS AND RESULTS: This study is based on the National Health Insurance Service-National Health Screening Cohort, conducted during 2002-2015. Statin users were classified as high and low users according to medication possession ratio (MPR). Statin nonusers comprised participants who did not use statins during the entire follow-up period. In total, 17,737 statin users and 13,412 statin nonusers were included in the analysis, with a median follow-up period of 12.7 years. Cox proportional hazards regression models were adopted after stepwise adjustment for confounders to investigate prospective association between statin usage and colorectal cancer risk. In total, 378 (2.3%) of 16,588 male participants and 239 (1.6%) of 14,561 female participants had colorectal cancer during the follow-up period. Compared to nonusers, fully adjusted hazard ratios (HRs) (95% confidence intervals [95% CIs]) for colorectal cancer risk in high statin users were 0.56 (0.42-0.75) in men and 0.64 (0.46-0.90) in women. In men, the fully adjusted HRs for proximal and rectal cancer for high users were 0.29 (0.15-0.56) and 0.52 (0.35-0.78), respectively, compared to those for nonusers. In women, statistical significance was seen only in rectal cancer (HR 0.43 [0.25-0.72]) but not in proximal or distal colon cancer. CONCLUSIONS: High statin users with hypercholesterolemia were associated with lower risk of overall colorectal cancer, especially proximal colon cancer in men and rectal cancer in both sexes.


Subject(s)
Cholesterol/blood , Colorectal Neoplasms/prevention & control , Early Detection of Cancer , Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Hypercholesterolemia/drug therapy , National Health Programs , Adult , Aged , Biomarkers/blood , Colorectal Neoplasms/epidemiology , Colorectal Neoplasms/pathology , Female , Humans , Hypercholesterolemia/blood , Hypercholesterolemia/diagnosis , Hypercholesterolemia/epidemiology , Incidence , Male , Middle Aged , Protective Factors , Republic of Korea/epidemiology , Risk Assessment , Risk Factors , Sex Factors , Time Factors , Treatment Outcome
5.
Asia Pac J Public Health ; 31(2): 136-146, 2019 03.
Article in English | MEDLINE | ID: mdl-30808200

ABSTRACT

The Korean National Health Insurance Service provided the Health Screening Cohort Database. To investigate the cumulative effect of statins on cancer development, we defined statin users as those who used statins during 2002 to 2003 at baseline. Statin users were divided into high and low users. Statin nonusers were defined as individuals who had never used statins during the entire period of 2002 to 2015, despite having hypercholesterolemia. In total, 17 737 statin users and 13 412 statin nonusers were included in the final analyses. The median follow-up duration was 12.6 years. Compared with nonusers, the hazard ratios (95% confidential intervals) for any cancer incidence of low users and high users were 1.047 (0.941-1.164) and 0.663 (0.589-0.747) in men and 1.057 (0.938-1.190) and 0.592 (0.517-0.678) in women, respectively, after fully adjusting for possible confounding factors. An inverse association between statin use and any cancer incidence in individuals with hypercholesterolemia was observed.


Subject(s)
Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Hypercholesterolemia/drug therapy , Neoplasms/epidemiology , Adult , Aged , Cohort Studies , Databases, Factual , Female , Humans , Incidence , Male , Middle Aged , National Health Programs , Republic of Korea/epidemiology
6.
Clin Lung Cancer ; 20(2): e177-e185, 2019 03.
Article in English | MEDLINE | ID: mdl-30578109

ABSTRACT

BACKGROUND: The incidence and mortality of lung cancer have risen steadily with the increasing popularity of tobacco smoking. Observational studies suggest that statins, which are widely used to lower cholesterol, may prevent lung cancer; however, other studies have produced conflicting results. We investigated the effect of statin receipt on lung cancer risk in Korean men according to smoking status. PATIENTS AND METHODS: We collected data from the 2002-2015 National Health Insurance Service-National Health Screening Cohort (NHIS-HEALS). We included a total of 16,588 men in the final analysis. We classified the participants as having high or low statin receipt or as not receiving statins. We used Cox proportional hazards regression models to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) for lung cancer risk by statin receipt after adjusting for potential confounders. RESULTS: We identified 363 patients with a new diagnosis of lung cancer from 2005 to 2015. Compared to participants who did not receive statins, high statin receipt resulted in a reduced lung cancer risk (HR = 0.64; 95% CI, 0.47, 0.85) after adjustment for confounders. Among current smokers, the fully adjusted HR for high statin receipt compared to those who did not receive statin therapy was 0.50 (95% CI, 0.32, 0.79). CONCLUSION: High statin receipt was associated with lower risk of lung cancer in Korean men with hypercholesterolemia, especially current smokers.


Subject(s)
Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Hypercholesterolemia/drug therapy , Lung Neoplasms/drug therapy , Cholesterol/metabolism , Cigarette Smoking , Cohort Studies , Early Detection of Cancer , Humans , Hypercholesterolemia/epidemiology , Incidence , Korea , Lung Neoplasms/epidemiology , Male , Middle Aged , National Health Programs , Proportional Hazards Models , Risk
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