• Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
LIANG Zongan, Email: liangza@scu.edu.cn
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Objective To explore the value of procalcitonin-to-albumin (PAR) in patients with acute respiratory distress syndrome (ARDS).Methods A retrospective study was carried on patients diagnosed with ARDS from December 2016 to March 2018. The receiver-operating characteristics (ROC) curve was used to identify the cutoff value of PAR. The association of PAR and 28-day mortality was evaluated using univariate and multivariable Cox regression.Results In the final analysis, there were a total of 255 patients included. Of whom 164 (64.3%) was male, 91 (35.7%) was female and the mean age was 52.1±14.5 years old. The 28-day mortality of all the patients was 32.9% (n=84). ROC curve revealed that the cutoff value of PAR was 0.039 (specificity: 0.714, sensitivity: 0.702) and area under the curve was 0.793 (95%CI: 0.735 - 0.850, P<0.001). The following variables were considered for multivariable adjustment: age, body mass index, pneumonia, aspiration, sepsis, surgery, PaO2/FiO2, red blood cell counts and PAR (P<0.01 in univariate analysis). After multivariable analysis, only age (HR: 1.033, 95%CI: 1.009 - 1.059, P=0.008), PaO2/FiO2 (HR: 0.992, 95%CI: 0.985 - 1.000, P=0.044) and PAR (HR: 4.899, 95%CI: 2.148 - 11.174, P<0.001) remained independently associated with 28-day mortality (P<0.05).Conclusion High PAR predicts a poor outcome in ARDS patients, therefore it appears to be a prognostic biomarker of outcomes in patients with ARDS.

Citation: WANG Yu, HUANG Dong, LIANG Zongan. Procalcitonin-to-albumin ratio as a prognostic marker in acute respiratory distress syndrome patients: a retrospective cohort study. Chinese Journal of Respiratory and Critical Care Medicine, 2020, 19(3): 240-245. doi: 10.7507/1671-6205.201907077 Copy

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