Table 1. Baseline characteristics of thrombectomy-eligible patients and hospitals where they were treated.
| Variables | Patients with ischemic stroke (n = 14,902) | Thrombectomy-eligible patients (n = 2,180) | |
|---|---|---|---|
| Patient-level characteristics | |||
| Male | 8,585 (57.6) | 1,132 (51.9) | |
| Age, yr | 69.6 ± 12.6 | 72.9 ± 12.5 | |
| Ambulance use | 7,422 (49.8) | 1,770 (81.2) | |
| Onset-to-arrival time, min | 583.0 (161.0–1,535.0) | 109.0 (49.0–202.5) | |
| NIHSS scorea | 4 (2–8) | 14 (9–19) | |
| Hospital-level characteristics | |||
| No. of hospitals | 216 | 201 | |
| Bed size | 514.5 (355–797.8) | 515 (355–798) | |
| Availability of stroke unit care | 67 (31.0) | 67 (33.3) | |
| No. of neurologists | 2 (1–5) | 2 (1–5) | |
Values represent number of patients (%), mean ± standard deviation, or median (interquartile range).
NIHSS = National Institute of Health Stroke Scale.
aNIHSS score was merged values of NIHSS score and transformed NIHSS score from Glasgow Coma Scale score, and excluded the missing 110 (5.1%) thrombectomy-eligible patients and the overall 1,180 (7.9%) patients with ischemic stroke.