Baseline and clinical data in patients with insufficient-versus-sufficient collateral flow
| Variable | Overall (n = 98) | Sufficient Collaterals (n = 43) | Insufficient Collaterals (n = 55) | P Value |
|---|---|---|---|---|
| Age (mean) (SD) | 70.4 (13.6) | 69.6 (12.6) | 71.2 (14.3) | .58 |
| Sex, female (No.) (%) | 44 (44.8%) | 24 (55.8%) | 20 (36.3%) | .55 |
| Baseline NIHSS (median) (IQR) | 15 (9–19) | 14 (9–19) | 15 (9–20) | .55 |
| IV tPA (No.) (%) | 10 (10%) | 2 (5%) | 8 (15%) | .11 |
| Time from stroke onset (median) (IQR) (hr) | 2.48 (1.27–4.98) | 2.00 (1.38–4.57) | 2.50 (1.24–5.31) | .90 |
| Location of LVO (ICA/MCA) (No.)/(No.) | 14/84 | 4/39 | 10/45 | .80 |
| Successful reperfusion (mTICI 2b–3) (No.) (%) | 79 (80.6%) | 38 (88.4%) | 41 (74.5%) | .86 |
Note:—LVO indicates large-vessel occlusion; IQR, interquartile range.