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. 2021 Dec 6;157(5):774–780. doi: 10.1093/ajcp/aqab192

FIGURE 2.

FIGURE 2

Time frame components for emergency department (ED) length of stay based on arrival, troponin result times, and departure from the ED comparing fourth-generation (4th gen) and high sensitivity (hs) troponin T (TnT) phases. Elapsed time from ED arrival to first troponin result (A). Elapsed time from first troponin result to second troponin result for encounters with 2 or more results (B). Elapsed time from first troponin result to last troponin result for encounters with 2 or more results (C). Elapsed time from last troponin result to ED departure for encounters leading to hospital admission (D) or hospital discharge (E). P values derived from Wilcoxon test. cTNT, troponin T, cardiac form; IQR, interquartile range.