Statistics from Altmetric.com
Presented at An abstract containing preliminary data was presented at IDWeek, 3 October 2019, Washington, DC. Presentation No 85.
Contributors AWB designed the study, performed the analysis and wrote the first version of the manuscript. NN and II constructed and analysed SPC charts and revised the manuscript. JCB and DJA designed the study and revised the manuscript.
Funding This work was supported by the Agency for Healthcare Research and Quality (grant number R01 HS 23821-01).
Competing interests None declared.
Patient consent for publication Not required.
Ethics approval Institutional review boards at Duke University and Northeastern University determined this analysis to be exempt research.
Provenance and peer review Not commissioned; externally peer reviewed.
Data availability statement Data are available upon request.
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