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A descriptive analysis on coronary heart disease in adult twins in China / 中华流行病学杂志
Chinese Journal of Epidemiology ; (12): 641-648, 2022.
Article in Chinese | WPRIM | ID: wpr-935437
ABSTRACT

Objective:

To describe the distribution characteristics of coronary heart disease in adult twins recruited from Chinese Twin Registry (CNTR), and provide clues and evidence for the effect of genetic and environmental influences on coronary heart disease.

Methods:

By using the data of CNTR during 2010-2018, a total of 34 583 twin pairs aged ≥18 years who completed questionnaire survey and had related information were included in the current study to analyze the population and area distribution characteristics of coronary heart disease. Random effect models were used to compare the differences between groups. The concordane rate of coronary heart disease were calculated respectively in monozygotic (MZ) twin pairs and dizygotic (DZ) twin pairs to estimate the heritability.

Results:

The twin pairs included in this analysis were aged (34.2±12.4) years. The overall prevalence rate of coronary heart disease in twin pairs was 0.7%. Twin pairs who were women, older, obese and lived in northern China had higher prevalence of coronary heart disease (P<0.05). Intra-pair analysis in the same-sex twin pairs found that the concordane rate of coronary heart disease was higher in MZ twin pairs (25.3%) than in DZ twins (7.4%), and the difference was statistically significant (P<0.001). The overall heritability of coronary heart disease was 19.3% (95%CI 11.8%-26.8%). Stratified by gender, age and area, the concordane rate was still higher in MZ twin pairs than in DZ pairs. Participants who were women, aged 18-30 years or ≥60 years and lived in northern China had a higher heritability of coronary heart disease.

Conclusion:

The distribution of coronary heart disease in twin pairs differed in populations and areas. The prevalence of coronary heart disease was affected by genetic factors, but the effect varied with age, gender and area.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Twins, Dizygotic / Twins, Monozygotic / China / Coronary Disease / Diseases in Twins Type of study: Prognostic study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Twins, Dizygotic / Twins, Monozygotic / China / Coronary Disease / Diseases in Twins Type of study: Prognostic study Limits: Adolescent / Adult / Female / Humans / Male Country/Region as subject: Asia Language: Chinese Journal: Chinese Journal of Epidemiology Year: 2022 Type: Article