In the Original Investigation titled “Differential Safety Between Top-Ranked Cancer Hospitals and Their Affiliates for Complex Cancer Surgery,”1 published April 12, 2019, there was a data error in the Results section. In the second paragraph of the Mortality Risk Within Each Network subsection, the first sentence should have read “When the safety of each top-ranked hospital was compared with each of its affiliates, the top-ranked hospitals outperformed 84.3% of their affiliates (289 of 343).” This article has been corrected.1
Data Error in Results. JAMA Netw Open. 2019;2(9):e199327. doi:https://doi.org/10.1001/jamanetworkopen.2019.9327
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