Before Propensity Score-matching | After Propensity Score-matching | |||||
---|---|---|---|---|---|---|
MET group | Medical group | ASD | MET group | Medical group | ASD | |
Number | 79 | 98 | – | 40 | 40 | – |
Age (years), mean ± SD | 61.2 ± 14.4 | 65.9 ± 10.7 | 0.323 | 65.1 ± 11.6 | 65.0 ± 10.5 | 0.005 |
Sex (male) | 52 (65.8) | 72 (73.5) | 0.160 | 27 (67.5) | 29 (72.5) | 0.105 |
Vascular risk factors | ||||||
Atrial fibrillation | 21 (26.6) | 13 (13.3) | 0.300 | 9 (22.5) | 7 (17.5) | 0.112 |
Hypertension | 51 (64.6) | 62 (63.3) | 0.027 | 28 (70.0) | 28 (70.0) | NA |
Hyperlipidemia | 10 (12.7) | 19 (19.4) | 0.201 | 6 (15.0) | 5 (12.5) | 0.075 |
Diabetes | 11 (13.9) | 31 (31.6) | 0.508 | 10 (25.0) | 11 (27.5) | 0.072 |
Smoking | 17 (21.5) | 34 (34.7) | 0.319 | 8 (20.0) | 9 (22.5) | 0.006 |
Basement measurements | ||||||
Systolic blood pressure, mean ± SD | 139.4 ± 20.9 | 147.0 ± 23.8 | 0.361 | 144.7 ± 23.7 | 143.4 ± 21.5 | 0.006 |
Admission NIHSS, median (IQR) | 7 (5–8) | 4 (2–6) | 0.868 | 5.5 (4–7) | 5.5 (4–7) | NA |
ASPECTS, median (IQR) | 9 (8–10)a | 9 (8–10) | 0.098 | 9 (8–10) | 10 (8.25–10) | 0.033 |
Good collateral circulationb | 54 (68.4) | 70 (71.4) | 0.066 | 27 (67.5) | 26 (65.0) | 0.052 |
Onset to imaging (min), median (IQR) | 300 (215–390) | 300 (180–480) | 0.432 | 284 (225–386) | 240 (180–360) | 0.057 |
Onset to puncture (min), mean (range) | 314 (10–995) | NA | NA | 284 (10–758) | NA | NA |
Puncture to reperfusion (min),median (IQR) | 75 (54–95) | NA | NA | 75 (55–93) | NA | NA |
Intravenous thrombolysis | 23 (29.1) | 11 (11.2) | 0.391 | 13 (32.5) | 10 (25.0) | 0.164 |
Etiology | ||||||
Large artery atherosclerosis | 41 (51.9) | 85 (86.7) | 0.693 | 29 (72.5) | 31 (77.5) | 0.099 |
Embolism | 29 (36.7) | 11 (11.2) | 0.525 | 9 (22.5) | 7 (17.5) | 0.103 |
Others/undetermined | 9 (11.4)c | 2 (2.0) | 0.292 | 2 (5.0) | 2 (5.0) | NA |
Site of occlusion | ||||||
ICA | 5 (6.3) | 25 (25.5) | 0.400 | 4 (10.0) | 5 (12.5) | 0.069 |
MCA M1 | 49 (62.0) | 39 (39.8) | 0.455 | 21 (52.5) | 21 (52.5) | NA |
MCA M2 | 12 (15.2) | 14 (14.3) | 0.025 | 7 (17.5) | 6 (15.0) | 0.069 |
Tandem | 13 (16.5) | 20 (20.4) | 0.106 | 8 (20.0) | 8 (20.0) | NA |