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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Anesthesiology. 2015 Oct;123(4):861–872. doi: 10.1097/ALN.0000000000000768

Figure 1.

Figure 1

Study Flow Diagram: This follows CONSORT (Consolidated Standards of Reporting Trials) guidelines for randomized and observational cohort studies. Note that 76% of subjects who began medication treatment completed the study. UDT=Urine Drug Test.