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Comparison of treatment and imaging timing variables in patients with and without contrast staining.
| Timing Variable (hours) | No Contrast Stain | Contrast Stain | T-test |
| Time to DSA, median (± SD) |
5.3 ± 18.0 | 3.7 ± 4.0 | p = 0.03 |
| Duration of DSA, mean (± SD) |
3.7 ± 1.1 | 4.0 ± 1.2 | p = 0.38 |
| Time from DSA to first follow-up CT, mean (± SD) |
14.5 ± 9.3 | 9.4 ± 5.9 | p = 0.03 |
