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Patients in the acetaminophen-dexmedetomidine, placebo-dexmedetomidine, acetaminophen-propofol, and placebo-propofol groups were assessed for delirium on a median of 4 (interquartile range [IQR], 4-4) days, 4 (IQR, 4-5) days, 4 (IQR, 4-5) days, and 4 (IQR, 4-5) days, respectively.
