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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: Ann Surg. 2017 Aug;266(2):274–279. doi: 10.1097/SLA.0000000000001965

Figure 2.

Figure 2

Observed over expected adverse event rate, by ASC (ranked from lowest to highest) with 95% confidence intervals. Predicted observed, with shrinkage adjustment. AE indicates Adverse event; ASC, ambulatory surgery center.