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. Author manuscript; available in PMC: 2015 Oct 2.
Published in final edited form as: N Engl J Med. 2015 Mar 14;372(14):1291–1300. doi: 10.1056/NEJMoa1415516

Figure 1. Enrollment, Randomization, and Follow-up of the Trial Patients.

Figure 1

A total of 404 patients (248 patients in the functional-testing group and 156 in the computed tomographic angiography [CTA] group) did not undergo any testing owing to withdrawal from the study (26.5% of the untested patients), missed appointment (25.7%), financial hardship (21.8%), medical reasons (9.9%), scheduling conflicts (7.9%), or miscellaneous reasons (8.2%). Two patients underwent functional testing before randomization, and their tests were excluded. Data on all 10,003 patients were included in the analysis of the effectiveness of the testing strategy. Percentages may not sum to 100 owing to rounding. CAC denotes coronary-artery calcium, and ECG electrocardiography.