Association between serum albumin levels and disease severity in adult patients with dengue: A 7-year retrospective cohort study in mainland China
Changtai Wang , Huiqin Yang , Jielan Xu , Jian Wang , Lingzhai Zhao , Wenxin Hong , Fuchun Zhang
Asian Pacific Journal of Tropical Medicine ›› 2023, Vol. 16 ›› Issue (5) : 204 -212.
Objective: To identify the association between serum albumin levels and disease severity among adult patients with dengue in mainland China. Methods: This retrospective cohort study analyzed the data of adult patients (aged ≥ 18 years) hospitalized with laboratory-confirmed dengue in a tertiary center for infectious diseases from 2013 to 2019 in mainland China. Serum albumin levels were estimated and compared between patients with severe dengue and non-severe dengue. Additionally, the association between serum albumin levels and severe dengue was evaluated using a generalized linear model [relative risks (RR)]. Multivariate logistic regression analysis was performed to identify the potential predictors of severe dengue. Results: Overall, 1 568 patients were included in this study. Of these patients, 34 (2.17%) developed severe dengue. The median serum albumin levels were significantly lower in patients with severe dengue than that in those with non-severe dengue (33 g/L vs. 37 g/L, P<0.001). After adjustment for age, sex, and comorbidities, hypoalbuminemia (RR 4.877, 95% CI 2.193-11.461, P<0.001) was found to be a predictor of severe dengue. Serum albumin levels (OR 1.303, 95% CI 1.161-1.462, P<0.001)] and age (OR 1.038, 95% CI 1.017-1.061, P<0.001) were significant risk factors for severe dengue. The area under the curve for serum albumin levels to distinguish severe dengue was 0.787. Conclusions: Lower serum albumin levels were significantly associated with disease severity in adult patients with dengue. Hypoalbuminemia on admission resulted in at least a four-fold increased risk of severe dengue.
Dengue / Severe dengue / Serum albumin / Hypoalbuminemia / Prediction
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