Using zlog in spider charts for fast diagnosis recognition

Abstract Objectives The standardization and normalization of laboratory parameters to a fixed scale, such as the zlog value, may offer significant advantages for interpretation. This method not only allows for the direct comparison of different parameters but also facilitates a way for advanced visualizations beyond the classic table. Methods We employ spider charts in conjunction with zlog transformation to enable laboratory parameters that are jointly evaluated for diagnostic purposes to be summarized in a unified visualization. Results With anemia and blood gas parameters we present two examples where specific constellations of laboratory parameters create distinguishable diagnostic patterns in the spider charts. Conclusions The zlog spider combines zlog-transformation standardization with spider diagram visualization to facilitate laboratory parameter comparison and create recognizable diagnostic patterns, potentially improving clinician comprehension and efficiency, though further case studies are needed to confirm its efficacy.