• Moritz Billner, Simon Reif, German Burn Registry, and Bert Reichert.
• Department of Plastic, Reconstructive & Aesthetic Surgery, Burn Unit, Klinikum Nuremberg Hospital, Paracelsus Medical University (PMU), Breslauer Str. 201, 90471 Nuremberg, Germany. Electronic address: Moritz.Billner@gmx.de.
• Burns. 2022 Nov 1; 48 (7): 171017181710-1718.

BackgroundSuicide attempted by self-inflicted burns are associated with lower survival rates compared to accident related burns.ObjectiveWe investigate the relation between self-inflicted burns (SIB) and survival rates and how this relation is moderated by variables used to predict survival rates in the ABSI score, a widely used measure. Additionally, we compare the predicted survival rates by the ABSI score to the actual rates in our sample for SIB and accident patients.MethodsIn this prospective multicenter study data from the German Burn Registry are statistically analyzed using two sided t-test and multivariate linear regression models.Results5330 patients (214 with SIB) met our inclusion criteria. We find a 6.8 percentage points lower survival rate for patients with SIB when we control for patient condition with the five ABSI components as covariates. These higher mortality rates can be explained by the higher rate of therapy restrictions for patients with self-inflicted burns. Additionally, different ABSI modifications can improve the predictive power of the score.ConclusionPatients with SIB have lower survival rates compared to accident patients. Recently proposed modifications of the ABSI score can improve the accuracy of survival rate prediction for SIB.Copyright © 2021 Elsevier Ltd and ISBI. All rights reserved.

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