Table 4.
Comparison of non-intubated patients with and without medical intervention during transfer; bpm indicates beats per minute; EVT, endovascular therapy; IQR, interquartile range; NIHSS, National Insitute of Health Stroke Scale; mmHg, millimeter mercury; mRS, modified Rankin Scale.
| No intervention during transfer | Intervention during transfer | p | |
|---|---|---|---|
| Age, years, median (IQR) | 76.0 (17.0) | 78.0 (13.5) | 0.257 |
| Sex, male, % (n/N) | 49.7 (153/308) | 40.0 (14/35) | 0.365 |
| Intravenous thrombolysis, % (n/N) | 62.3 (192/308) | 82.9 (29/35) | 0.016 |
| EVT performed, % (n/N) | 64.0 197/308 | 40.0 (14/35) | 0.009 |
| Vascular risk factors | |||
| Diabetes, % (n/N) | 28.1 (86/306) | 37.1 (13/35) | 0.358 |
| Atrial fibrillation, % (n/N) | 53.6 (164/306) | 54.3 (19/35) | 0.919 |
| Pre-existing stroke, % (n/N) | 15.4 (47/306) | 8.6 (3/35) | 0.410 |
| Arterial hypertension, % (n/N) | 84.6 (259/306) | 88.6 (31/35) | 0.713 |
| Hyperlipidemia, % (n/N) | 30.3 (56/185) | 22.2 (6/27) | 0.527 |
| Current smoking, % (n/N) | 7.5 (23/308) | 0.0 (0/35) | 0.188 |
| Coronary artery disease, % (n/N) | 5.9 (11/185) | 3.7 (1/27) | 0.980 |
| Transfer by helicopter, % (n/N) | 32.1 (99/308) | 48.6 (17/35) | 0.079 |
| Transfer time, minutes, median (IQR) | 34.0 (16.0) | 37.0 (23.5) | 0.299 |
| Three months mRS score 0–2, % (n/N) | 30.9 (94/304) | 26.5 (9/34) | 0.694 |
| Three months mRS score 6, % (n/N) | 26.6 (81/304) | 47.1 (16/34) | 0.028 |
| NIHSS on departure, median (IQR) | 16.0 (7.0) | 16.0 (5.5) | 0.191 |
| NIHSS at arrival, median (IQR) | 16.0 (9.0) | 16.0 (9.0) | 0.208 |
| Systolic blood pressure on departure, mmHg, median (IQR) | 154.0 (33.0) | 166.5 (37.25) | 0.005 |
| Systolic blood pressure at arrival, mmHg, median (IQR) | 153.0 (31.0) | 154.5 (29.25) | 0.683 |
| Heart rate on departure, bpm, median (IQR) | 78.0 (20.0) | 86.5 (32.0) | 0.039 |
| Heart rate at arrival, bpm, median (IQR) | 79.0 (21.0) | 87.0 (27.25) | 0.113 |
| Oxygen saturation on departure, percent, median (IQR) | 97.0 (3.0) | 95.0 (2.5) | 0.001 |
| Oxygen saturation at arrival, percent, median (IQR) | 97.0 (3.0) | 96.0 (2.5) | 0.428 |
| Glasgow Coma Scale on departure, median (IQR) | 13.0 (4.0) | 13.0 (5.0) | 0.362 |
| Glasgow Coma Scale at arrival, median (IQR) | 13.0 (4.0) | 12.0 (5.0) | 0.181 |