Table 1:
Variable | Overall (n = 39) | Good Collaterals (n = 22) | Insufficient Collaterals (n = 17) | P Value |
---|---|---|---|---|
Age (mean) (SD) (yr) | 63.3 (13.3) | 62.8 (15.3) | 63.9 (10.2) | .85 |
Sex (M/F) | (22:17) | (11:11) | (11:6) | .52 |
Baseline NIHSS score (median) (IQR) | 17, 14–19 | 16, 13–18 | 18, 15–20 | .19 |
IV tPA (No.) (%) | 18 (46%) | 10 (45%) | 8 (47%) | .45 |
Hr to groin puncture from last known well (median) (IQR) | 6.10, 5.54–7.14 | 5.98, 5.67–7.54 | 6.08, 5.27–7.10 | .93 |
Hr from MRI to groin puncture (median) (IQR)a | 1.40, 0.80–2.20 | 1.10, 0.70–1.75 | 1.5, 0.90–2.14 | .58 |
Note:—IQR indicates interquartile range.
Subset analysis (only available for 20 patients, 13 patients with good collaterals and 7 patients with insufficient collaterals).