Continuous and categorical variables compared between study cohorts
| Acute kidney injury | No acute kidney injury | |
|---|---|---|
| Total number of patients | 4 | 80 |
| % Male | 50 | 52.5 |
| Mean time CTSS to DSA (±SD) | 6 h 9 min (±7 min 24 s) | 12 h 55 min (±14 min 47 s) |
| Mean pre-study Cr | 1.35 | 1.03 |
| Mean peak Cr | 3.00 | 0.94 |
| Mean pre-study BUN | 21 | 17.14 |
| Mean peak BUN | 53.75 | 15.7 |
| Mean pre-study BUN:Cr | 15.18 | 16.81 |
| Mean peak BUN:Cr | 19.85 | 16.93 |
| Mean Δ Cr | 1.65 | 0.09 |
| Interventional DSA (%, no.) | 50% (2 cases) | 55% (44 cases) |
| Visipaque 320 | 50% (2 cases) | 46% (37 cases) |
| Omnipaque 300 | 50% (2 cases) | 54% (43 cases) |
BUN, blood urea nitrogen; Cr, creatinine; CTSS, CT stroke study; DSA, digital subtraction angiography.