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Table 2 Rates of utilization of MRI for ischemic stroke events, and rates of DWI positivity, by case definition

From: The impact of Magnetic Resonance Imaging (MRI) on ischemic stroke detection and incidence: minimal impact within a population-based study

Case definition

Number of events

MRI with DWI obtained (weighted % of total) a

Positive DWI (weighted % of MRIs)a

Clinical definition YES Physician Judgment YES

2,049

1,233 (60 %)

1,102 (82 %)

Clinical definition NO Physician Judgment YES

185

166 (90 %)

165 (99 %)

Clinical definition YES Physician Judgment NO

169

157 (84 %)

0 (0 %)

  1. a = Note the percentages presented are weighted to reflect out-of-hospital sampling
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BMC Neurology

ISSN: 1471-2377

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