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Distribution of emergency department length of stay (EDLOS, in minutes) and boarding time (BT, in minutes) of four major diagnostic populations, namely R00-R99 (symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified), I00-I99 (diseases of the circulatory system), S00-T88 (injury, poisoning and certain other consequences of external causes), and J00-J99 (diseases of the respiratory system).
