• Christian Kleber, Andre Solarek, Detlef Cwojdzinski, and Berlin Sichtungsalgorithmus.
• AG Polytrauma, UniversitätsCentrum für Orthopädie und Unfallchirurgie (OUC), Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden - Anstalt des öffentlichen Rechts des Freistaates Sachsen, Fetscherstraße 74, 01307, Dresden, Deutschland. kleber.c@web.de.
• Unfallchirurg. 2020 Mar 1; 123 (3): 187-198.

Background And ObjectivePatient triage has a key function within the scope of the successful management of mass disasters and ensures the correct resource allocation. Analysis of unheralded hospital disaster training in Berlin hospitals revealed triage problems referring the correct classification of patients in the triage categories and relevant overtriaging and undertriaging. Therefore, a triage algorithm tailored to the clinical setting was developed in Berlin and after presentation and discussion within the circle of the representatives for clinical catastrophe protection, the algorithm was introduced as obligatory in 2015. This study was carried out to validate and investigate the effects of the triage algorithm.Material And MethodsThis prospective observational study evaluated all unheralded hospital disaster training exercises from 2016/2017 initiated by the senate administration, with 556 roughed persons after implementation of the new triage algorithm and compared the results with disaster training exercises from the years 2010/2011 without a triage algorithm (n = 601). The correct allocation of the prescribed injury patterns to the triage category (T1-3), specificity, sensitivity and positive likelihood ratio of the algorithm are described and group differences were calculated.ResultsIn 15 unheralded mass disaster drills with 556 actors in 2016-2017 a total of 85% of the category T1 (n = 83/98), 63% of the T2 category (n = 100/159) and 87% of the T3 category (n = 259/299) were correctly recognized. This corresponds to a significantly better triage result of 80% compared to 63% in 2010/2011. Overtriaging and undertriaging also were significantly reduced. The triage algorithm showed a specificity and sensitivity of 97% and 75%, respectively, for T1 (immediately life-threatening), 86%/67% for T2 (severely injured) and 85%/88% for T3 (slightly injured) patients.DiscussionThe Berlin hospital triage algorithm was successfully validated. The triage category allocation was significantly improved in all relevant aspects after implementation with a significant reduction of overtriaging and undertriaging.

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