Table 2.

COVID-19 Diagnostic Testing Utilitization Before and After Implementation of the COvid Risk cALculator

	PUIs, %		OR (95% CI)
Outcome	Before CORAL	After CORAL	Unadjusted	Adjusteda	P Value
Underwent repeated testing after initial negative NAAT result and repeated testing	67.0	54.3	0.59 (.52–.66)	0.53 (.44–.63)	<.01
Underwent additional diagnostic testing after 2 Negative NAAT results with additional diagnostic testing	30.4	18.8	0.53 (.45–.63)	0.42 (.33–.54)	<.01

Abbreviations: CI, confidence interval; CORAL, COvid Risk cALculator; NAAT, nucleic acid amplification test; OR, odds ratio; PUIs, persons under investigation for coronavirus disease 2019 (COVID-19).

^aWe adjusted all analyses for daily COVID-19 incidence among hospitalized PUIs.