Table 1 Demographic and clinical characteristics of the patients.
Center 1 (n = 284) | Center 2 (n = 174) | Center 3 (n = 62) | P value | |
|---|---|---|---|---|
Age, median (IQR), years | 71 (63,76) | 72 (63,79) | 72 (62,81) | 0.104 |
Gender (n, %) | 0.676 | |||
Male | 178 (62.7%) | 103 (59.2%) | 40 (64.5%) | |
Female | 106 (37.3%) | 71 (40.8%) | 22 (35.5%) | |
Risk facto (n, %) | ||||
Hypertension | 147 (51.8%) | 92 (52.9%) | 33 (53.2%) | 0.962 |
Diabetes mellitus | 55 (19.4%) | 38 (21.8%) | 14 (22.6%) | 0.750 |
Hyperlipidemia | 64 (22.5%) | 37 (21.3%) | 13 (21.0%) | 0.933 |
Coronary heart disease | 21 (7.4%) | 19 (10.9%) | 8 (12.9%) | 0.255 |
Drinking | 18 (6.3%) | 15 (8.6%) | 6 (9.6%) | 0.524 |
Smoking | 22 (7.7%) | 16 (9.2%) | 11 (17.7%) | 0.050 |
Atrial fibrillation | 86 (30.3%) | 65 (37.4%) | 26 (41.9%) | 0.113 |
History of stroke or TIA | 32 (11.3%) | 16 (9.2%) | 7 (11.3%) | 0.768 |
TOAST(n, %) | 0.188 | |||
Atherosclerotic | 176 (62.0%) | 92 (52.9%) | 30 (48.4%) | |
Cardioembolic | 84 (29.5%) | 65 (37.3%) | 26 (41.9%) | |
Others | 24 (8.5%) | 17 (9.8%) | 6 (9.7%) | |
Time median (IQR), min | ||||
Onset-to-scan time | 168 (120,240) | 150 (113,220) | 160 (120,200) | 0.326 |
Onset-to-treatment time | 300 (240,389) | 290 (229,383) | 293 (224,357) | 0.019 |
NIHSS score, median (IQR) | ||||
Admission NIHSS score | 16 (11,21) | 16 (11,21) | 17 (14,22) | 0.322 |
24h_NIHSS | 8 (5,14) | 7 (3,16) | 6 (3,15) | 0.142 |
Treatment mode (n, %) | 0.250 | |||
Endovascular thrombectomy | 207 (72.9%) | 116 (66.7%) | 47 (75.8%) | |
Bridging therapy | 77 (27.1%) | 58 (33.3%) | 15 (24.2%) | |
Recanalization (n, %) | 239 (84.2%) | 147 (84.5%) | 56 (90.3%) | 0.455 |
Hemorrhagic_transformation(n, %) | 114 (40.1%) | 75 (43.1%) | 34 (54.8%) | 0.106 |
