Table 1. Baseline Patient Characteristics.
| Characteristic | Patients, No. (%) | P value | ||
|---|---|---|---|---|
| All | SMT (n = 111) | EVT (n = 135) | ||
| Age, median (IQR), y | 71 (63-78) | 72 (65-78) | 70 (59-77) | .12 |
| Sex | ||||
| Female | 118 (48.0) | 52 (46.8) | 66 (48.9) | .08 |
| Male | 128 (52.0) | 59 (53.2) | 69 (51.1) | |
| Medical history | ||||
| Diabetes | 42 (17.1) | 20 (18.0) | 22 (16.3) | .72 |
| Hypertension | 151 (61.4) | 75 (67.6) | 76 (56.3) | .07 |
| Atrial fibrillation | 117 (47.6) | 57 (51.4) | 60 (44.4) | .28 |
| Hyperlipidemia | 43 (17.5) | 16 (14.4) | 27 (20.0) | .25 |
| Smoking | 57 (23.2) | 26 (23.4) | 31 (23.0) | .93 |
| Clinical characteristics | ||||
| Blood pressure, median (IQR), mm Hg | ||||
| Systolic | 150 (133-170) | 154 (134-180) | 147 (130-164) | .006 |
| Diastolic | 87 (76-100) | 88 (77-102) | 85 (73-100) | .24 |
| Hemisphere | ||||
| Left | 118 (48) | 56 (50.5) | 62 (45.9) | .48 |
| Right | 128 (52) | 55 (49.5) | 73 (54.1) | |
| Glucose, median (IQR), mmol/La | 7.2 (6.1-8.7) | 7.1 (6.0-8.6) | 7.2 (6.2-8.9) | .39 |
| IVT | 62 (25.2) | 30 (27.0) | 32 (23.7) | .55 |
| General anesthesia | NA | NA | 23 (17.0) | NA |
| NIHSS score, median (IQR) | 18 (15-23) | 18 (14-25) | 18 (15-22) | .98 |
| ASPECTS | ||||
| 0-1 | 157 (63.8) | 83 (74.8) | 74 (54.8) | .001 |
| 2 | 89 (36.2) | 28 (25.2) | 61 (45.2) | |
| Onset to imaging time, median (IQR), minb | 305 (162.5-504.0) | 314 (168.5-611.3) | 295 (152.0-455.0) | .18 |
| Onset to puncture time, median (IQR), minc | NA | NA | 353.5 (234.5-535.8) | NA |
| Onset to recanalization time, median (IQR), mind | NA | NA | 439.5 (323.8-615.0) | NA |
| Occlusion site | ||||
| Intracranial internal carotid artery | 120 (48.8) | 41 (36.9) | 79 (58.5) | <.001 |
| M1 middle cerebral artery segment | 111 (45.1) | 67 (60.4) | 44 (32.6) | |
| M2 middle cerebral artery segment | 15 (6.1) | 3 (2.7) | 12 (8.9) | |
| Stroke causative mechanism | ||||
| LAA | 77 (31.3) | 41 (36.9) | 36 (26.7) | .24 |
| Cardioembolism | 137 (55.7) | 58 (52.3) | 79 (58.5) | |
| Other | 9 (3.7) | 2 (1.8) | 7 (5.2) | |
| Unknown | 23 (9.3) | 10 (9.0) | 13 (9.6) | |
| Successful recanalization (mTICI ≥2b) | NA | NA | 110 (81.5) | NA |
Abbreviations: ASPECTS, Alberta Stroke Program Early Computed Tomography Score; EVT, endovascular treatment; IVT, intravenous thrombolysis; LAA, large artery atherosclerosis; mTICI, modified Thrombolysis In Cerebral Infarction score; NIHSS, National Institutes of Health Stroke Scale; SMT, standard medical treatment.
a
Data on glucose were missing for 4 patients in the EVT group and 3 patients in the SMT group.
b
Data on onset to imaging were missing for 5 patients in the SMT group.
c
Data on onset to puncture were missing for 1 patient in the EVT group.
d
Data on onset to recanalization were missing for 1 patient in the EVT group.