Table 1.
Comparisons of baseline characteristics between ASPECTS 5 and 6 groups.
| ASPECTS 5 (N = 14) | ASPECTS 6 (N = 27) | p value | |
|---|---|---|---|
| Age, median (IQR), years | 64.5 (55.25–75.25) | 67 (61–74) | 0.44 |
| Sex, male, n (%) | 7 (50.0) | 14 (51.9) | 0.91 |
| Coronary heart disease | 5 (35.7) | 9 (33.3) | 0.88 |
| Atrial fibrillation | 7 (50.0) | 11 (40.7) | 0.58 |
| Hypertension | 9 (64.3) | 18 (66.7) | 0.88 |
| Diabetes mellitus | 1 (7.1) | 8 (29.6) | 0.10 |
| Hyperlipidemia | 1 (7.1) | 2 (7.4) | 0.98 |
| SBP>140 mmHg | 7 (50.0) | 18 (66.7) | 0.31 |
| NLR, median (IQR) | 9.97 (5.16–15.13) | 12.82 (5.64–17.22) | 0.58 |
| Glucose, median (IQR), mmol/l | 6.96 (5.57–8.84) | 7.45 (6.76–11.39) | 0.31 |
| Baseline NIHSS score | 0.81 | ||
| <10 | 0 (0) | 3 (11.1) | |
| 10–20 | 10 (71.4) | 12 (44.4) | |
| >20 | 4 (28.4) | 12 (44.4) | |
| Stroke causes, n (%) | 0.45 | ||
| Atherosclerotic | 5 (35.7) | 13 (48.1) | |
| Cardioembolic | 9 (48.1) | 14 (51.9) | |
| Collateral status (ASITN/SIR), n (%) | 0.88 | ||
| 0–1 | 5 (35.7) | 9 (33.3) | |
| 2–3 | 9 (64.3) | 18 (66.7) | |
| Occlusion sites | 0.54 | ||
| ICA | 6 (42.8) | 10 (37.0) | |
| MCA M1 | 7 (50.0) | 13 (48.1) | |
| MCA M2 | 1 (7.1) | 4 (14.8) | |
| Prior intravenous rt-PA, n (%) | 8 (57.1) | 13 (48.1) | 0.59 |
| Onset to groin puncture, mins | 252 (221–320) | 268 (193–319) | 0.95 |
| Door to imaging, mins | 20 (9–30.25) | 27 (15–33) | 0.45 |
| Puncture to first revascularization, mins | 75 (49–100) | 70.5 (45.75–121) | 0.81 |
| Imaging to first revascularization, mins | 185.5 (133.5–226.3) | 135 (107–162) | 0.10 |
| Puncture to end of revascularization, mins | 113.5 (81–129.75) | 103 (66–140) | 0.92 |
| Rescue therapy | 7 (50.0) | 10 (37.0) | 0.43 |
| Passes of stent retriever | |||
| 0–2 | 10 (71.4) | 16 (59.3) | 0.45 |
| >2 | 4(28.6) | 11 (40.7) |
IQR: interquartile range; SBP: systolic blood pressure; ICA: internal carotid artery; MCA: middle cerebral artery; NLR: neutrophil to lymphocyte ratio; NIHSS: National Institutes of Health Stroke Scale; ASPECTS: the Alberta Stroke Program Early Computed Tomography Score; mRS: modified Rankin Scale; ASITN/SIR: the American Society of Interventional and Therapeutic Neuroradiology/Society of Interventional Radiology; rt-PA: recombinant tissue-type plasminogen activator.