• Infection · Oct 2020

    Prognostic value of serum amyloid A in patients with COVID-19.

    • Li Cheng, Jian-Zhong Yang, Wen-Hui Bai, Zhuan-Yun Li, Li-Fang Sun, Juan-Juan Yan, Chen-Liang Zhou, and Bao-Peng Tang.
    • Intensive Care Unit, Renmin Hospital of Wuhan University, Eastern Campus, Wuhan, China.
    • Infection. 2020 Oct 1; 48 (5): 715-722.

    ObjectiveTo investigate the prognostic value of serum amyloid A (SAA) in the patients with Corona Virus Disease 2019 (COVID-19).MethodsThe medical data of 89 COVID-19 patients admitted to Renmin Hospital of Wuhan University from January 3, 2020 to February 26, 2020 were collected. Eighty-nine cases were divided into survival group (53 cases) and non-survival group (36 cases) according to the results of 28-day follow-up. The SAA levels of all patients were recorded and compared on 1 day after admission (before treatment) and 3 days, 5 days, and 7 days after treatment. The ROC curve was drawn to analyze the prognosis of patients with COVID-19 by SAA.ResultsThe difference of comparison of SAA between survival group and non-survival group before treatment was not statistically significant, Z1 = - 1.426, P = 0.154. The Z1 values (Z1 is the Z value of the rank sum test) of the two groups of patients at 3 days, 5 days, and 7 days after treatment were - 5.569, - 6.967, and - 7.542, respectively. The P values were all less than 0.001, and the difference was statistically significant. The ROC curve results showed that SAA has higher sensitivity to the prognostic value of 1 day (before treatment), 3 days, 5 days, and 7 days after treatment, with values of 0.806, 0.972, 0.861, and 0.961, respectively. Compared with SAA on the 7th day and C-reactive protein, leukocyte count, neutrophil count, lymphocyte count, and hemoglobin on the 7th day, the sensitivities were: 96.1%, 83.3%, 88.3%, 83.3%, 67.9%, and 83.0%, respectively, of which SAA has the highest sensitivity.ConclusionSAA can be used as a predictor of the prognosis in patients with COVID-19.

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