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. 2021 Apr 8;117:103777. doi: 10.1016/j.jbi.2021.103777

Table 2.

Comparison of COVID-19 case definitions between April 1 and May 15, 2020.

Phenotype Definition PPV Recall
ICD-10 Only 90.6% 46.4%
Laboratory testing Only 100% 93.0%
ICD-10 or Laboratory testing 95.4% 100%
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    Reference standard is manual review of 140 charts for patients meeting any of the criteria of the more expansive COVID case definition

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    ICD-10: cases assigned billing code U07.1 after April 1st, 2020; Laboratory: ever SARS-CoV-2 PCR positive.

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    Data pulled May 15, 2020