Estimated plasma volume status can help identify patients with sepsis at risk of death within 30 days in the emergency department
Accepted: 13 October 2023
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For patients with sepsis in the Emergency Department (ED), early risk stratification is important to improve prognosis. The study aimed to evaluate the predictive role of estimated plasma volume (ePVS) on admission to the ED. All sepsis patients who were admitted to our ED in 2021, were included in this prospective study. Multivariate models adjusted for patients' clinical characteristics were used to assess the contribution of ePVS to the independent prediction of death at 30 days. A total of 455 septic patients were enrolled and 16.9% of patients died. Patients who survived to 30 days had a mean ePVS of 5.19, while those who died at 30 days had a value of 5.74 (p=0.004). ePVS was an independent risk factor for 30-day mortality with an adjusted OR of 1.211 (95% CI 1.004–1.460, p=0.045). The AUROC of ePVS was 0.619 (95% CI 0.545–0.689). Decision tree analysis showed a predictive role for ePVS in less severe patients. In septic patients, ePVS is an independent predictor of 30-day mortality and may improve risk prediction in less severe patients.
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