Characteristic | Recent IV Contrasta | No Recent IV Contrasta | Overalla | P Valueb |
---|---|---|---|---|
Count | 23 | 15 | 38 | NA |
Age (yr) | 70.5 ± 16.0 | 76.5 ± 18.4 | 72.9 ± 17.0 | .32 |
Serum creatinine level (mg/dL) | 1.08 ± 0.34 | 1.12 ± 0.29 | 1.10 ± 0.32 | .78 |
Female | 15 (65%) | 7 (47%) | 22 (58%) | .32 |
Time since last known well (hr) | 12.5 ± 5.6 | 9.3 ± 7.8 | 11.2 ± 6.6 | .19 |
ASPECTS | 5.4 ± 2.0 | 7.5 ± 2.2 | 6.2 ± 2.3 | .005 |
CTP core (median) (range) (mL) | 4 (0–234) | 13 (0–208) | 6 (0–234) | .28 |
Collateral grade | .71 | |||
1 | 15 (65%) | 9 (60%) | 24 (63%) | |
2 | 6 (26%) | 3 (20%) | 9 (24%) | |
3 | 2 (9%) | 3 (20%) | 5 (13%) | |
Thrombectomy | 11 (48%) | 12 (80%) | 23 (61%) | .09 |