Table 1.
Baseline characteristics of different groups.
| All transfers | Road transfers | Air transfers | P | |
|---|---|---|---|---|
| Number (No.) of patients | 62 | 20 | 42 | |
| Age, mean [SD], years | 66 (14) | 69 (11) | 65 (15) | 0.27 |
| Sex | ||||
| Men, No. (%) | 34 (55%) | 11 (55%) | 23 (55%) | 0.99 |
| Women, No. (%) | 28 (45%) | 9 (45%) | 19 (45%) | |
| Medical history, No. (%) | ||||
| Hypertension | 28 (45%) | 10 (50%) | 18 (43%) | 0.60 |
| Hypercholesterolemia | 10 (16%) | 1 (5%) | 9 (21%) | 0.10 |
| Diabetes mellitus | 8 (13%) | 3 (15%) | 5 (12%) | 0.25 |
| Prior stroke/TIA | 8 (13%) | 3 (15%) | 5 (12%) | 0.73 |
| Atrial fibrillation | 13 (21%) | 2 (10%) | 11 (26%) | 0.14 |
| Ischemic heart disease | 9 (15%) | 4 (20%) | 5 (12%) | 0.40 |
| Smoker | 10 (16%) | 6 (30%) | 4 (10%) | 0.04 |
| Prestroke mRS, No. (%) | ||||
| 0–2 | 61 (98%) | 20 (100%) | 41 (98%) | 0.49 |
| 3–4 | 1 (2%) | 0 (0%) | 1 (2%) | |
| NIHSS score, median [IQR] | 13 (8-18) | 9 (6-16) | 14 (10-18) | 0.25 |
| Intubated, No. (%) | 4 (6%) | 0 (0%) | 4 (10%) | 0.15 |
| Thrombolyzed, No. (%) | 25 (40%) | 5 (25%) | 20 (48%) | 0.09 |
| Occlusion location, No. (%) | ||||
| ICA | 4 (6%) | 1 (5%) | 3 (7%) | 0.75 |
| M1 MCA | 37 (60%) | 13 (65%) | 24 (57%) | 0.55 |
| M2 MCA | 7 (11%) | 4 (20%) | 3 (7%) | 0.14 |
| Basilar | 5 (8%) | 1 (5%) | 4 (10%) | 0.54 |
ICA, internal carotid artery; IQR, interquartile range; MCA, middle cerebral artery; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; SD, standard deviation; TIA, transient ischemic attack.