Background: The association of serum uric acid (SUA) with hypertension has been well established in Caucasian populations. However, its association with hypertension in Chinese remained to be clarified. Methods: Consecutive patients, homogeneous in Chinese Han ethnicity, aged ≥18 years, abstracted from the database, admitted from 1 January 2010 to 31 December 2013, were included for potential analysis. The patients were grouped according to the presence or absence of hypertension. Unconditional logistic regression was performed to estimate the association between SUA and hypertension. Its possible interactions with risk factors on hypertension were also explored. Results: A total of 9587 patients were finally analyzed in the current study, where 5692 were with hypertension and 3895 were without hypertension. Per 100 μmol/L higher SUA concentration was associated with multivariable-adjusted odds ratios (95% CI) of 1.25 (1.08–1.22) in males, 1.10 (1.01–1.20) in females, and 1.19 (1.13–1.24) in total. On a categorical scale, when compared with the first quintile, the multivariable-adjusted odds ratios (95% CI) were 1.40 (1.20–1.64) for the 2nd quintile, 1.48 (1.27–1.74) for the 3rd quintile, 1.55 (1.32–1.82) for the 4th quintile, and 1.92 (1.63–2.26) for the 5th quintile, with a p for trend < 0.01. Conclusions: SUA is associated with hypertension in a dose-response manner among the Chinese hospitalized population. Management of SUA could help to the prevention and control of hypertension.
Objective COVID-19 is becoming a global pandemic and often develops extrapulmonary organ injury. However, the risk factors for extrapulmonary organ injury are still unclear. We aim to explore the risk factors for extrapulmonary organ injury for COVID-19 and the association between extrapulmonary organ injury and the prognosis of COVID-19 patients. Methods This is a single-center, retrospective, observational study and total 349 confirmed COVID-19 patients admitted to Tongji Hospital from January 25 to February 25, 2020 were enrolled. We collected demographic, clinical, laboratory and treatment data from electronic medical records. Potential risk factors for extrapulmonary organ injury of COVID-19 patients were analyzed by a multivariable binary logistic model, and multivariable COX proportional hazard regression model was used for survival analysis in the patients with extrapulmonary organ injury. Results Average age of the included patients was 61.73±14.64 years. In the final logistic model, variables including aged 60 or older (OR 1.826, 95% CI 1.060-3.142), ARDS (OR 2.748, 95% CI 1.051-7.185), lymphocytes count lower than 1.1 ×109/L (OR 0.478, 95% CI 0.240-0.949), level of IL-6 greater than 7 pg/ml (OR 1.664, 95% CI 1.005-2.751) and D-Dimer greater than 0.5 μg/ml (OR 2.190, 95% CI 1.176-4.084) were significantly associated with the extrapulmonary organ injury. Kaplan-Meier curve and log-rank test showed that the probabilities of survival for patients with extrapulmonary organ injury were significantly lower than those without extrapulmonary organ injury.between Multivariate COX proportional hazards model showed that only myocardial injury (P=0.000, HR: 5.068, 95% CI: 2.728-9.417) and circulatory system injury (P=0.000, HR: 4.076, 95% CI: 2.216-7.498) were the independent factors associated with COVID-19 patients’ poor prognosis. Conclusion Older age, lymphocytopenia, high level of D-Dimer and IL-6 and the severity of lung injury were the high-risk factors of extrapulmonary organ injury in COVID-19 patients. Myocardial and circulatory system injury were the most important risk factors related to poor outcomes of COVID-19 patients. It may help clinicians to identify extrapulmonary organ injury early and provide relevant management strategy.
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