Overall (n = 437) | DWI-negative (n = 54) | DWI-positive (n = 383) | P value | |
---|---|---|---|---|
Age, yrs. (mean (SD)) | 62.5 (11.8) | 62.1 (9.9) | 62.5 (12.1) | 0.80 |
Male, n (%) | 320 (73.2) | 37 (68.5) | 283 (73.9) | 0.40 |
DNT time, min (median [IQR]) | 45 [35–61] | 41.5 [30.5–55] | 45 [35–62] | 0.06 |
Time from symptom onset to IV-tPA, min (median [IQR]) | 168 [128–215] | 160 [116–204] | 170 [129.5–215.5] | 0.16 |
Time from symptom onset to the first MR scan, hours (median [IQR]) | 26.0 [19.5–27.6] | 26.9 [25.5–27.7] | 25.9 [16.0–27.6] | 0.03 |
Bridging mechanical thrombectomy, n (%) | 39 (8.9) | 0 (0.0) | 39 (10.2) | 0.01 |
Pre-mRS score (%) | 0.26 | |||
0 | 329 (75.3) | 44 (81.5) | 285 (74.4) | |
1 | 57 (13.0) | 9 (16.7) | 48 (12.5) | |
2 | 26 (5.9) | 0 (0.0) | 26 (6.8) | |
3 | 15 (3.4) | 1 (1.9) | 14 (3.7) | |
4 | 9 (2.1) | 0 (0.0) | 9 (2.3) | |
5 | 1 (0.2) | 0 (0.0) | 1 (0.3) | |
Admission NIHSS score (median [IQR]) | 5 [3–9] | 2.5 [2–5] | 5 [3–9] | < 0.001 |
Admission NIHSS score ≤ 5, n (%) | 248 (56.8) | 44 (81.5) | 204 (53.3) | < 0.001 |
NIHSS score at 24 hours (median [IQR]) | 3 [1–6] | 1 [0–2] | 3 [1–7] | < 0.001 |
TOAST, n (%) | 0.24 | |||
LAA | 335 (76.7) | 45 (83.3) | 290 (75.7) | |
CE | 58 (13.3) | 2 (3.7) | 56 (14.6) | |
SAA | 15 (3.4) | 3 (5.6) | 12 (3.1) | |
Other | 8 (1.8) | 1 (1.9) | 7 (1.8) | |
Unknown | 21 (4.8) | 3 (5.6) | 18 (4.7) | |
Posterior circulation stroke, n (%) | 118 (27.0) | 21 (38.9) | 97 (25.3) | 0.04 |
Disabling stroke, n (%) | 390 (89.2) | 32 (59.3) | 358 (93.5) | < 0.001 |
Hypertension, n (%) | 233 (53.3) | 24 (44.4) | 209 (54.6) | 0.16 |
Atrial fibrillation, n (%) | 42 (9.6) | 3 (5.6) | 39 (10.2) | 0.28 |
Diabetes mellitus, n (%) | 104 (23.8) | 12 (22.2) | 92 (24.0) | 0.77 |
Hyperlipidemia, n (%) | 45 (10.3) | 4 (7.4) | 41 (10.7) | 0.46 |
Prior stroke, n (%) | 87 (19.9) | 12 (22.2) | 75 (19.6) | 0.65 |
Coronary artery disease, n (%) | 61 (14.0) | 8 (14.8) | 53 (13.8) | 0.85 |
Prior antiplatelet therapy, n (%) | 62 (14.2) | 8 (14.8) | 54 (14.1) | 0.89 |
Prior statin therapy, n (%) | 53 (12.1) | 8 (14.8) | 45 (11.7) | 0.52 |
Smoking, n (%) | 228 (52.2) | 22 (40.7) | 206 (53.8) | 0.07 |
Drinking, n (%) | 190 (43.5) | 21 (38.9) | 169 (44.1) | 0.47 |
Admission SBP level, mmHg (median [IQR]) | 150 [137–165] | 145 [136.5–155.5] | 151 [137–166] | 0.06 |
Admission DBP level, mmHg (median [IQR]) | 88 [80–97] | 86 [78.5–91] | 89 [80–98] | 0.15 |
Admission serum glucose level, mmol/L (median [IQR]) | 6.83 [5.9–8.8] | 6.41 [5.5–8.0] | 6.89 [5.9–8.8] | 0.05 |
HbA1c level, % (median [IQR]) | 6 [5.7–6.9] | 6 [5.7–6.7] | 6 [5.7–6.9] | 0.92 |
LDL level, mmol/L (mean (SD)) | 2.61 (0.9) | 2.42 (0.9) | 2.63 (0.9) | 0.27 |
Cholesterol level, mmol/L (mean (SD)) | 4.19 (1.0) | 3.87 (1.0) | 4.23 (1.0) | 0.08 |
Fazekas scale, (median [IQR]) | 1 [1–2] | 1 [0–1] | 1 [1–2] | 0.01 |
Large vessel occlusion, n (%) | 99 (22.7) | 3 (5.6) | 96 (25.1) | 0.01 |
sICH, n (%) | 23 (5.3) | 1 (1.9) | 22 (5.7) | 0.38 |