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. 2017 May 4;7(4):e012652. doi: 10.1136/bmjopen-2016-012652

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Base-case cost-effectiveness results for predefined risk categories. Strategies 1–4 excluded from high-probability analysis (see text for details). CA, invasive coronary angiography; CTA, CT coronary angiogram; ECHO, stress echocardiogram; Ex-ECG, exercise ECG; SPECT, single-photon emission CT.