Baseline characteristics for all patients and separately for directly admitted and transferred patients
| Excluding pre-stroke mRS >1 | ||||
|---|---|---|---|---|
| Baseline characteristics | All patients (n=100) | Transferred patients (n=53) | Directly admitted patients (n=38) | p Value |
| Age (years) | ||||
| Mean (SD) | 68.3 (13.8)* | 69.2 (11.5) | 66.1 (16.4) | 0.292 |
| Female sex, % (n/n) | 55.0% (55/100) | 54.7% (29/53) | 53.3% (21/38) | 0.959 |
| NIHSS score at admission | ||||
| Median (n; range) | 15 (99; 5–29)† | 15 (53; 6–29) | 14 (37; 5–27) | 0.278 |
| Medical history | ||||
| Atrial fibrillation, % (n/n) | 57.1% (56/98) | 59.6% (31/52) | 52.6% (20/38) | 0.509 |
| Systemic hypertension, % (n/n) | 67.3% (66/98) | 69.2% (36/52) | 62.2% (23/37) | 0.487 |
| Diabetes, % (n/n) | 17.2% (17/99) | 15.4% (8/52) | 13.2% (5/38) | 0.767 |
| Former stroke, % (n/n) | 16.3% (13/80) | 20.0% (9/45) | 10.0% (3/30) | 0.247 |
| Pre-stroke mRS, % (n/n) | ||||
| 0 | 83.0% (83/100) | 92.5% (49/53) | 89.5% (34/38) | 0.715 |
| 0–1 | 91.0% (91/100) | 100.0% (53/53) | 100.0% (38/38) | NA |
| 0–2 | 96.0% (96/100) | NA | NA | NA |
| >2 | 4.0% (4/100) | NA | NA | NA |
| ASPECTS, % (n/n) | ||||
| 8–10 | 95.8% (91/95) | 96.0% (48/50) | 94.4% (34/36) | 1.000 |
| 5–7 | 4.2% (4/95) | 4.0% (2/50) | 5.6% (2/36) | 1.000 |
| 0–4 | 0% (0/95) | 0.0% (0/50) | 0.0% (0/36) | NA |
| Preprocedure IV lysis, % (n/n) | 63.0% (63/100) | 66.0% (35/53) | 60.5% (23/38) | 0.590 |
| General anesthesia, % (n/n) | 88.0% (88/100) | 90.6% (48/53) | 81.6% (31/38) | 0.211 |
| Higashida collateral score median (n; range) | 2 (92; 0–4) | 2 (49; 0–4) | 1 (35; 0–3) | 0.339 |
| Occlusion site, % (n/n vessels) | ||||
| MCA | 74.3% (81/109) | 73.7% (42/57) | 71.7% (33/46) | 0.825 |
| ICA | 13.8% (15/109) | 15.8% (9/57) | 13.0% (6/46) | 0.694 |
| BA | 7.3% (8/109) | 5.3% (3/57) | 10.9% (5/46) | 0.462 |
| PCA | 3.7% (4/109) | 5.3% (3/57) | 2.2% (1/46) | 0.626 |
| ACA | 0.9% (1/109) | 0.0% (0/57) | 2.2% (1/46) | 0.447 |
| Multiple occlusions, % (n/n vessels) | 8.3% (9/109) | 8.8% (5/57) | 8.7% (4/46) | 0.715 |
| Stenting cervical ICA, % (n/n) | 14% (14/100) | 17.0% (9/53) | 13.2% (5/38) | 0.618 |
Patients with pre-stroke mRS >1 were excluded for further analysis of outcome in the last two groups.
*Three patients were >85 years old.
†Three patients had a NIHSS score <8.
ACA, anterior cerebral artery; ASPECTS, Alberta Stroke Program Early CT Score; BA, basilar artery; ICA, internal carotid artery; MCA, middle cerebral artery; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; PCA, posterior cerebral artery.