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. 2019 Apr 12;2(4):e191912. doi: 10.1001/jamanetworkopen.2019.1912

Figure 1. Observed 90-Day Surgical Mortality Rates by Procedure at Top-Ranked and Affiliated Hospitals.

Figure 1.

Error bars indicate 95% binomial CIs. The difference in observed mortality between top-ranked hospitals and affiliates reached significance (P < .05) for each procedure except for esophagectomy (P = .08).