Table 1.
Baseline characteristics of patients before PSM.
| Variable a | No anticoagulation, N = 430 (66%) | Anticoagulation, N = 223 (34%) | p-value b |
|---|---|---|---|
| Male, n (%) | 202 (47) | 117 (52) | 0.18 |
| Age, median (IQR) | 74 (64, 82) | 78 (69, 84) | <0.001 |
| Hypercholesterolemia, n (%) | 145 (37) | 110 (50) | <0.001 |
| Hypertension, n (%) | 276 (64) | 167 (75) | 0.006 |
| Diabetes, n (%) | 118 (28) | 51 (23) | 0.2 |
| Atrial fibrillation, n (%) | 111 (26) | 172 (77) | <0.001 |
| Current smokers, n (%) | 58 (14) | 26 (12) | 0.5 |
| Previous use of antiplatelet drugs, n (%) | 156 (36) | 45 (21) | <0.001 |
| Baseline mRS (0–1), n (%) | 328 (78) | 154 (70) | 0.022 |
| Baseline mRS (0–2), n (%) | 365 (87) | 189 (86) | 0.68 |
| Site of initial occlusion | 0.47 | ||
| Medium (M2) | 366 (85) | 185 (83) | |
| Distal (M3, M4) | 64 (15) | 38 (17) | |
| ASPECTS, Median (IQR) | 9.00 (7.00, 10.00) | 9.00 (8.00, 10.00) | 0.15 |
| Baseline NIHSS, Median (IQR) | 9 (5, 16) | 12 (7, 18) | 0.002 |
| First line technique, n (%) | 0.024 | ||
| Aspiration | 105 (25) | 35 (16) | |
| Both | 252 (60) | 152 (69) | |
| Stentretriever | 65 (15) | 32 (15) | |
| Mothership versus drip and ship, n (%) | 0.78 | ||
| Drip and ship | 172 (41) | 93 (42) | |
| Mothership | 250 (59) | 129 (58) | |
| Onset to arterial puncture (min), Median (IQR) | 356 (210, 661) | 263 (186, 411) | <0.001 |
| Onset to recanalization (min), Median (IQR) | 403 (260, 696) | 324 (230, 473) | <0.001 |
| Anesthesia, n (%) | 0.84 | ||
| CS/LA | 285 (68) | 151 (69) | |
| GA | 133 (32) | 68 (31) | |
| Puncture site, n (%) | 0.26 | ||
| Femoral | 294 (97) | 138 (95) | |
| Radial | 8 (2.6) | 7 (4.8) | |
| Imaging after MT, n (%) | 0.14 | ||
| CT | 265 (64) | 146 (69) | |
| Both | 70 (17) | 22 (10) | |
| MRI | 76 (18) | 44 (21) | |
| No imaging | 3 (0.7) | 1 (0.5) | |
a
mRS: modified Rankin scale; NIHSS: National Institutes of Health Stroke Scale; ASPECTS: Alberta Stroke Program Early CT Score; CS/LA: conscious sedation/local anesthesia; GA: general anesthesia.
b
Pearson’s chi-squared test; Wilcoxon rank sum test; Fisher’s exact test.