Patient demographics for the beveled tip catheter group versus the flat tip catheter group
| Beveled | Flat | P value | |
| N | 44 | 93 | |
| Age, mean±SD | 69.4±14.4 | 67.0±15.8 | 0.372 |
| Sex, n (%) | 0.713 | ||
| Women | 21 (47.73) | 40 (43.01) | |
| Men | 23 (52.27) | 53 (56.99) | |
| tPA, n (%) | 22 (50) | 37 (39.78) | 0.274 |
| Admission NIHSS score | 44 | 91 | |
| Median (IQR) | 17 (14–21) | 19 (15–23) | 0.082 |
NIHSS, National Institutes of Health Stroke Scale; tPA, tissue plasminogen activator.