Fig. 6From: Outcome of severely injured patients in a unique trauma system with 24/7 double trauma surgeon on-call serviceStandardized Mortality Ratio (SMR) in 2021. Numbers 01 through 04 are level 2/3 trauma centers within the region. Level-1 trauma center UMCU is depicted as number 05. Red and green lines represent 99.8% confidence intervals (CI), orange and yellow lines 95% CI. The funnel plot is provided by the Dutch National Trauma RegistryBack to article page