Baseline characteristics and outcomes of patients with good collateral score (n=11) versus poor collateral score (n=10)
| Variables | Patients with good collateral score (bilateral PCOM), n=11 | Patients with poor collateral score (unilateral/no PCOM), n=10 | p Value |
|---|---|---|---|
| Age (years), mean (range) | 64 (49–84) | 56 (31–77) | 0.146 |
| Hypertension, n (%) | 11 (100) | 10 (100) | 1.000 |
| Hyperlipidemia, n (%) | 7 (63.6) | 7 (70) | 1.000 |
| Diabetes, n (%) | 2 (18.2) | 6 (60) | 0.080 |
| Smoking, n (%) | 2 (18.2) | 2 (20) | 1.000 |
| Atrial fibrillation, n (%) | 1 (9.1) | 2 (20) | 0.586 |
| NIHSS, median (range) | 18 (2–38) | 27 (4–38) | 0.261 |
| IV-tPA treated, n (%) | 6 (54.5) | 2 (20) | 0.183 |
| Onset to revascularization (min), mean (SD) | 451 (194) | 676 (367) | 0.091 |
| Successful recanalization, % | 10 (90.9) | 6 (60) | 0.149 |
| Favorable outcome, % | 72.7 | 0 | 0.001 |
| Decrease in NIHSS score during hospitalization, median (IQR) | 16 (2 to 24) | 0 (−18 to −3) | 0.016 |
IV-tPA, intravenous tissue plasminogen activator; NIHSS, National Institute of Health Stroke Scale; PCOM, posterior communicating artery.