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Table 1 Table 1

From: MRI Visualization of CSF Flow

AS FM 3rd V FMag
Positive-True 26/26 8/8 12/12 30/30
False 0/26 0/8 0/12 0/30
Negative-True 16/25 0/2 2/3 1/3
False 9/25 2/2 1/3 2/3
Specificity 100% 0% 100% 100%
Sensitivity 74% 80% 92% 94%
Negative LR 0.26 Undefined 0.08 0.06