OBJECTIVES: To estimate the current prevalence and epidemiology of isolated systolic hypertension (ISH) among adult populations from different ethnic groups in Xinjiang province and to further establish a theoretical basis for developing personalized therapeutic strategies for hypertensive populations. METHODS: To analyze the prevalence and risk factors of ISH in different ethnic groups in Xinjiang province, a cluster sampling method was adopted to conduct a cross-sectional study on people aged 35 years and older from the Han, Uygur and Kazakh populations in the Urumqi, Kelamayi, Hetian, Zhaosu, Fukang, Tulufan and Fuhai. RESULTS: A total of 14,618 adults were surveyed with a response rate of 88.80%. The overall prevalence of ISH was 11.95% (men: 10.84% vs women: 12.92%); the prevalence of ISH in women was significantly higher (χ(2) = 15.06, p = 0.00) than that in men. The prevalence varied significantly with age (χ(2) = 822.71, p = 0.00) and increased in the elderly (χ(2) = 769.59, p = 0.00). A logistic regression analysis revealed that age, obesity, diabetes and dyslipidemia are major risk factors for ISH; patients with hypertension combined with obesity or diabetes are at a high risk of ISH. CONCLUSIONS: The prevalence of ISH in Xinjiang is higher than average and exhibits a gender difference. There is a trend of increased prevalence with increasing age. Populations with obesity, diabetes or dyslipidemia, and patients who have hypertension combined with obesity and/or diabetes, should be aware of early preventive interventions.

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