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. 2015 Nov 24;85(21):1869–1878. doi: 10.1212/WNL.0000000000002141

Figure 1. Study flow diagram.

Figure 1

Flow diagram of patient screening, enrollment, and outcome completion. aIn an additional 73 visits, potential participants declined screening. bPatients not included in main analysis, but examination data were included in the interrater agreement analysis. cOf patients who received an MRI (n = 272), the initial MRI was performed for clinical purposes in 158 (58%) and for research purposes in 114 (42%). A research MRI (either first or second study) was performed in 177 (65%) of the patients. The first MRI was performed before the study bedside examination in 15% of patients (42/272). ED = emergency department.