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Table 3: Source of duplicate imaging and agreement rates between modalities during the same admission
First Study Ordered Source of Second Imaging Agreement Rates between Modalities Total
Radiologist Clinician Agreed (%) First Study Overestimated Disease (%) First Study Underestimated Disease (%)
CTA 4 44 33 (68.7) 11 (22.9) 4 (8.3) 48
MRA 18 57 51 (68) 4 (5.3) 20 (26.7) 75
DUS 0 2 2 (100) 0 (0) 0 (0) 2
Total 22 103 86 (68.8) 15 (11.0) 24 (19.2) 125

First Study Ordered	Source of Second Imaging		Agreement Rates between Modalities			Total
First Study Ordered	Radiologist	Clinician	Agreed (%)	First Study Overestimated Disease (%)	First Study Underestimated Disease (%)	Total
CTA	4	44	33 (68.7)	11 (22.9)	4 (8.3)	48
MRA	18	57	51 (68)	4 (5.3)	20 (26.7)	75
DUS	0	2	2 (100)	0 (0)	0 (0)	2
Total	22	103	86 (68.8)	15 (11.0)	24 (19.2)	125