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PubMed | Guangdong Provincial Peoples Hospital and Cardiovascular Institute, Centers for Disease Control and Prevention, Fujian Provincial Peoples Hospital, Yuxian Peoples Hospital and Peking Union Medical College
Type: Journal Article | Journal: Diabetes research and clinical practice | Year: 2015

To estimate the incidence of Type 2 diabetes mellitus (T2DM) and the number of those with T2DM attributable to overweight and obesity in China.We conducted a prospective cohort study among 15680 participants (46.4%, men) aged 35-74 years. The mean duration of follow-up was 8.0 years. We examined the relationship between overweight, obesity and risk of T2DM by Cox proportional hazards models. Population attributable risk (PAR) of overweight and obesity was also calculated. Moreover, we estimated the number of T2DM events attributed to overweight and obesity using PAR, incidence of T2DM and the population size of China in 2010.During a mean follow-up of 8.0 years, the age-standardized incidence of T2DM was 9.5 per 1000 person-years in men and 9.2 in women. Overweight accounted for 28.3% (95% confidence interval [CI]: 20.1, 36.2) of incident T2DM among men and 31.3% (95% CI: 25.5, 36.9) among women. The corresponding PAR of obesity was 10.1% (95% CI: 6.0, 14.2) among men and 16.8% (95% CI: 12.0, 21.6) among women. Approximately 3.32 million (95% CI: 2.47, 4.24) incident T2DM were attributable to overweight and obesity in Chinese adults who were 35 to 74 years in 2010.Our results indicate that incident T2DM is mainly attributable to overweight and obesity in China. It is extremely important to advocate healthy lifestyle and prevent excessive weight gain for reducing T2DM burden in China.

PubMed | Fujian Provincial Peoples Hospital, Guangdong Provincial Peoples Hospital and Cardiovascular Institute, Yuxian Peoples Hospital, Centers for Disease Control and Prevention and Peking Union Medical College
Type: Journal Article | Journal: Journal of diabetes | Year: 2016

The aim of the present study was to estimate the incidence of type 2 diabetes (T2D) and the number of diabetes events attributable to abdominal obesity in China.A cohort study was conducted in a sample of 24,996 Chinese adults aged 35-74 years, with 19.9% of subjects lost to follow-up. Waist circumference (WC) was measured at baseline in 1998 and 2000-01, and abdominal obesity was defined as WC90cm in men and 80cm in women. Information on incident diabetes was collected during follow-up in 2007-08. We estimated the number of T2D events attributed to abdominal obesity using confounder-adjusted population-attributable risk, incidence of diabetes, and the population size of China in 2010.After a mean follow-up of 8.0 years, the age-standardized incidence of T2D was 9.6 and 9.2 per 1000 person-years in men and women, respectively. Abdominal obesity accounted for 28.1% (95% confidence interval [CI] 14.8%, 40.5%) of incident diabetes among men and 41.2% (95% CI 28.3%, 52.6%) among women using the diagnostic criteria of abdominal obesity recommended by the International Diabetes Federation. We estimated that, in 2010, 2.4 (95% CI 1.5, 3.2) million diabetes events were attributable to abdominal obesity: 1.0 (95% CI 0.5, 1.4) million in men and 1.4 (95% CI 1.0, 1.8) million in women.Abdominal obesity is a major risk factor for T2D. Strengthening programs and initiatives for preventing and controlling obesity focusing on lifestyle changes should be a priority in the national strategy to reduce diabetes burden in China.

PubMed | Red Cross, State Key Laboratory of Cardiovascular Disease National Human Genome Center at Beijing, University of Houston, National Human Genome Center at Beijing and 21 more.
Type: Journal Article | Journal: Human molecular genetics | Year: 2015

Hypertension is a common disorder and the leading risk factor for cardiovascular disease and premature deaths worldwide. Genome-wide association studies (GWASs) in the European population have identified multiple chromosomal regions associated with blood pressure, and the identified loci altogether explain only a small fraction of the variance for blood pressure. The differences in environmental exposures and genetic background between Chinese and European populations might suggest potential different pathways of blood pressure regulation. To identify novel genetic variants affecting blood pressure variation, we conducted a meta-analysis of GWASs of blood pressure and hypertension in 11 816 subjects followed by replication studies including 69 146 additional individuals. We identified genome-wide significant (P < 5.0 10(-8)) associations with blood pressure, which included variants at three new loci (CACNA1D, CYP21A2, and MED13L) and a newly discovered variant near SLC4A7. We also replicated 14 previously reported loci, 8 (CASZ1, MOV10, FGF5, CYP17A1, SOX6, ATP2B1, ALDH2, and JAG1) at genome-wide significance, and 6 (FIGN, ULK4, GUCY1A3, HFE, TBX3-TBX5, and TBX3) at a suggestive level of P = 1.81 10(-3) to 5.16 10(-8). These findings provide new mechanistic insights into the regulation of blood pressure and potential targets for treatments.

Fan S.,Peking Union Medical College | Chen J.,Peking Union Medical College | Huang J.,Peking Union Medical College | Li Y.,Peking Union Medical College | And 9 more authors.
Medicine and Science in Sports and Exercise | Year: 2014

Purpose: The objective is to examine the association between physical activity level (PAL) and incident type 2 diabetes among middle-age and older Chinese men and women in urban China. Methods: This prospective study included 6348 participants (age 35 to 74 yr) who were free of diabetes and cardiovascular disease at baseline. PAL was estimated on the basis of self-reported overall physical activity on a typical day. According to PAL, participants were classified into four groups: sedentary (PAL, 1.00-1.39), low active (PAL, 1.40-1.59), active (PAL, 1.60-1.89), and very active (PAL, 91.89). The association of PAL with incident diabetes was examined by Cox proportional hazards model. Results: During 7.9 yr of follow-up (50,293 person-years), 478 incident cases of type 2 diabetes were identified. After adjustment for age, sex, geographic region, educational level, smoking, alcohol use, and family history of diabetes, the HR (95% CI) values for type 2 diabetes across increasing categories of PAL were 1.00 (reference), 0.82 (0.62-1.09), 0.63 (0.47-0.83), and 0.47 (0.36-0.61), respectively (P for trend G0.0001). Additional adjustment for baseline body mass index or waist circumference attenuated the magnitude of risk reduction, but it remained significant. The inverse association between PAL and risk of incident diabetes was persistent in subgroup analyses according to age, sex, hypertension, smoking, body mass index, waist circumference, and fasting plasma glucose level. Conclusions: Higher PAL is associated with substantial reduction in risk of type 2 diabetes. Our findings suggest the importance of a physically active lifestyle in the prevention of diabetes. © 2014 by the American College of Sports Medicine.

PubMed | Guangdong Provincial Peoples Hospital and Cardiovascular Institute, Fujian Provincial Peoples Hospital, Nanjing Medical University and Peking Union Medical College
Type: Journal Article | Journal: The American journal of cardiology | Year: 2015

The predictive effect of non-high-density lipoprotein cholesterol (non-HDL-C) for cardiovascular disease (CVD) in Chinese general population has not been well demonstrated. The aim of our study was to examine the relation between non-HDL-C and CVD and compare the predictive effect of non-HDL-C and low-density lipoprotein cholesterol (LDL-C) for CVD in Chinese population. The baseline examination of 27,020 participants aged 35 to 74years from the China Cardiovascular Health Study and the China Multicenter Collaborative Study of Cardiovascular Epidemiology was conducted in 1998 to 2001. Follow-up evaluation was conducted in 2007 to 2008 with a response rate of 79.8%. Cox proportional hazards regression models were used to obtain the multivariable-adjusted hazard ratios and 95% confidence intervals (CIs) for CVD. Compared with those with non-HDL-C level of <130mg/dl, multivariable-adjusted hazard ratios of CVD were 1.30 (95% CI 1.04 to 1.62) and 1.93 (95% CI 1.50 to 2.47) in participants with non-HDL-C levels of 160 to 189.9 and 190mg/dl, respectively. An increase of 30mg/dl in non-HDL-C level would correspond to 15%, 24%, and 12% increase in risk of CVD, coronary heart disease, and stroke, respectively. Using likelihood ratio tests, non-HDL-C appeared to be a similar predictor for CVD incidence as LDL-C (chi-square for non-HDL-C, 18.02, p <0.001; chi-square for LDL-C, 18.90, p <0.001). In conclusion, higher non-HDL-C level is associated with the increased CVD incidence and has a similar effect as LDL-C on predicting CVD risk in Chinese.

PubMed | Guangdong Provincial Peoples Hospital and Cardiovascular Institute, Fujian Provincial Peoples Hospital, Nanjing Medical University and Peking Union Medical College
Type: Journal Article | Journal: Journal of diabetes | Year: 2016

Identification of the population at high risk of developing atherosclerotic cardiovascular disease (ASCVD) is critical for its prevention. The aim of the present study was to evaluate the use of fasting blood glucose (FBG) to predict ASCVD.In all, 18 610 participants, aged 35-74 years at enrollment, were included in this prospective study. Baseline information was collected using a standardized questionnaire, physical examinations, and laboratory tests. During follow-up, disease status and vital information were updated. Cox proportional hazards regression analysis was used to estimate associations, with normal FBG (70-99 mg/dL) as the reference group. Anthropometric measurements, socioeconomic status, and conventional cardiovascular risk factors were included in the multivariate-adjusted model.After 7.8 years follow-up (145 223 person-years), there were 519 cases of ASCVD. The multivariate-adjusted hazard ratios (HR), with 95% confidence intervals (CI), for ASCVD in patients with low FBG (<70 mg/dL), impaired fasting glucose (IFG; 100-125 mg/dL), and diabetes (126 mg/dL, use of antidiabetic medication and/or self-report) were 1.35 (0.84, 2.15), 1.02 (0.81, 1.27), and 1.68 (1.26, 2.23), respectively. Although IFG was associated with the development of diabetes (multivariate-adjusted HR 3.67; 95% CI 3.20, 4.21), it was only associated with incident ASCVD in the univariate model (HR 1.52; 95% CI 1.23, 1.88). The association of diabetes with coronary heart disease was more pronounced than that with stroke. Gender and residential differences were also identified.In the present study, IFG was associated with the development of diabetes but not incident ASCVD. Prevention strategies to reduce the development of diabetes in people with IFG are critical to improve cardiovascular health.

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