The Impact of Platelet Transfusion on Prognosis in Adult Burn Patients with Thrombocytopenia: A Propensity Score Matching Analysis

Thrombocytopenia is common among burn patients. Platelet transfusion is frequently administered to increase platelet counts. However, it is not clear whether platelets affect the outcome after transfusion among adult burn patients with thrombocytopenia or not. Our aim is to explore whether platelet transfusion affects the prognosis of adult burn patients with thrombocytopenia. We undertook a retrospective analysis of 368 adult burn victims with thrombocytopenia from the Department of Burn at the First Affiliated Hospital of Nanchang University, China, from January 2014 to July 2021. Propensity score matching (PSM) was utilized to reduce the selection bias and confounding factors. After PSM, both platelet transfusion group and no platelet transfusion group had 46 patients. Our primary outcome was 30-day all-cause mortality. Logistic multivariate regression analysis showed that third-degree burn area [β=-0.040, odds ratio (OR) =1.052, 95% confidence interval (CI) =1.015-1.091] and platelet transfusion (OR =2.227, 95% CI =0.473-10.483) were independent risk factors (P<0.05). KaplanMeier risk curve analysis showed that the 30-day mortality of patients in the platelet transfusion group and no platelet transfusion group were 47.8% and 19.6%, respectively (P<0.05) Platelet transfusion was an independent risk factor for 30-day mortality in adult burn patients with thrombocytopenia.