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Agreement between CREST site-reported and UCL-verified peak systolic velocity (PSV) based on the threshold of 230 cm/s for ≥70% stenosis on the pre-treatment baseline duplex scans.
| UCL-Verified PSV | |||
|---|---|---|---|
| <230 cm/s | ≥230cm/s | ||
|
CREST Site-Reported PSV |
<230 cm/s | 204 | 20 |
| ≥230cm/s | 55 | 1423 | |
