Table 1.
Baseline characteristics and interventional procedure data according to sex
| Male | Female | p value | |
|---|---|---|---|
| Patients | 64 (44.1) | 81 (55.9) | |
| Age, years | 67.7±13.3 | 72.1±13.2 | 0.03 |
| Pre-stroke mRS <2 | 61 (95.3) | 73 (90.1) | 0.35 |
| Vascular risk factors | |||
| Diabetes | 13 (21.3) | 17 (21.0) | 0.96 |
| Hypertension | 31 (50.8) | 58 (71.6) | 0.01 |
| Dyslipidemia | 28 (45.9) | 40 (49.4) | 0.68 |
| Current smoking | 10 (16.4) | 5 (6.2) | 0.05 |
| Baseline NIHSS score | 18 (13–20) | 16 (14–20) | 0.59 |
| ASPECTS score | 8 (7–9) | 8 (8–9) | 0.34 |
| Arterial occlusion site | |||
| Intracranial ICA | 18 (28.1) | 24 (29.6) | 0.84 |
| MCA M1 segment | 33 (51.6) | 45 (55.6) | 0.63 |
| MCA M2 segment | 13 (20.3) | 12 (14.8) | 0.38 |
| Tandem occlusion | 17 (26.6) | 5 (6.2) | 0.001 |
| Etiology | |||
| Cardioembolism | 32 (50.0) | 42 (51.9) | 0.83 |
| Large-artery atherosclerosis | 14 (21.9) | 7 (8.6) | 0.03 |
| Other or undetermined | 18 (28.1) | 32 (39.5) | 0.15 |
| Prior IV thrombolysis | 43 (67.2) | 58 (71.6) | 0.57 |
| Process times, min | |||
| Time from symptoms to needle | 135 (88–179) | 135 (96–195) | 0.67 |
| Time from onset to groin puncture | 270 (205–350) | 255 (191–330) | 0.47 |
| Time from groin puncture to recanalization | 41 (25–65) | 43 (26–66) | 0.85 |
| Time from onset recanalization | 313 (250–397) | 296 (235–418) | 0.60 |
| General anesthesia | 2 (3.1) | 2 (2.5) | 1.0 |
| Successful recanalization (mTICI ≥2b) | 59 (92.2) | 69 (85.2) | 0.19 |
Quantitative variables are expressed as means ± SD or medians (interquartile range), and categorical variables are expressed as numbers (percentages). ASPECTS, Alberta Stroke Program Early CT Score; ICA, internal carotid artery; IV, intravenous; MCA, middle cerebral artery; mRS, modified Rankin Score; mTICI, modified treatment in cerebral infarction; NIHSS, National Institutes of Health Stroke Scale.