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Table 2: 
Institutional indications for MR-VWI performance relative to ordering provider interest
Ordered byResearchAtheroma RiskAneurysm RiskDifferentiate VasculopathyCryptogenic Stroke
Neurology only (n = 97) (No.) (%)12 (12.4)24 (24.7)11 (11.3)69 (71.1)32 (33.0)
Neurology and neurosurgery (n = 60) (No.) (%)16 (26.7)25 (41.7)36 (60)50 (83.3)23 (38.3)
Neurology, neurosurgery, and rheumatology (n = 26) (No.) (%)15 (57.7)10 (38.5)15 (57.7)21 (80.8)13 (50)
Neurosurgery only (n = 5) (3 blank for reasons) (No.) (%)1 (20)0 (0)1 (20)2 (40)1 (20)