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. 2018 Oct 22;188(1):214–221. doi: 10.1093/aje/kwy220

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Figure 2. — Decision curve showing the net benefit of use of Contact Precautions for the prevention of methicillin-resistant Staphylococcus aureus (MRSA) transmission in nursing homes at varying threshold probabilities, United States, 2012–2016. A) Development cohort (a community-based nursing home cohort; 2012–2014); B) validation cohort (a Department of Veterans Affairs nursing home cohort; 2012–2016). Threshold probabilities: 1) none (heavy black line)—the net benefit of putting no resident on Contact Precautions (current policy), which is set at 0; 2) all (gray line)—putting all nursing home residents on Contact Precautions; 3) prediction rule (dashed line)—putting residents who meet a specified threshold of risk according to the prediction rule on Contact Precautions; or 4) MRSA-positive nares culture (light black line)—putting all MRSA nares culture-positive residents on Contact Precautions.