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. 2020 Feb 26;15(2):e0229497. doi: 10.1371/journal.pone.0229497

Fig 2. Histogram of average daily opioid use stratified by outpatient prescription of opioids.

Fig 2

Histogram demonstrating the frequency of patients by the average morphine milligram equivalent (MME) per day among patients with and without an outpatient opioid prescription. The numerator is the total summed dose, converted into morphine equivalents, divided by the total length of hospitalization; patients on patient controlled analgesia were considered in the highest quartile.