The average extent of the abnormal vasculature between patients with and without SDAVF trended towards, but did not reach statistical significance (mean number of vertebral body levels spanned by abnormal vasculature = 6.0 and 3.7, range 1–7 and 4–8, respectively, p = 0.07).
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Value of prominent flow voids without cord edema in the detection of spinal arteriovenous fistulae.
2
0.0700
0.0700
The sentences
Furthermore, a higher number of vertebral body levels spanned by the abnormal vasculature showed a trend towards significance, and has previously been correlated with the degree of myelopathy in patients with SDAVF [24] .