TABLE 1.
Patient baseline characteristics
| Mechanical Thrombectomy (n=128) |
IAT (n=31) |
Total (n=159) |
P | |
|---|---|---|---|---|
| Mean Age, years±SD |
66.5±19.2 | 70.8±14.0 | 67.3±18.3 | 0.24 |
| Female, % | 56.3% (72/128) | 48.4% (15/31) | 54.7% (87/159) | 0.55 |
| Right- handedness |
93.6% (117/125) | 96.7% (29/30) | 94.2% (146/155) | >0.99 |
| Stroke subtypes | 0.03 | |||
| Cardioembolism | 70.3% (90/128) | 51.6% (16/31) | 66.7% (106/159) | |
| Large artery atherosclerosis |
9.4% (12/128) | 29.0% (9/31) | 13.2% (21/159) | |
| Others | 8.6% (11/128) | 6.5% (2/31) | 8.2% (13/159) | |
| Unknown | 11.7% (15/128) | 12.9% (4/31) | 11.9% (19/159) | |
| Race/ethnicity | 0.58 | |||
| White | 50.0% (64/128) | 40.0% (10/25) | 48.4% (74/153) | |
| Black | 7.0% (9/128) | 4.0% (1/25) | 6.5% (10/153) | |
| Asian | 5.5% (7/128) | 4.0% (1/25) | 5.2% (8/153) | |
| Hispanic | 7.0% (9/128) | 4.0% (1/25) | 6.5% (10/153) | |
| Others and unknown |
30.5% (39/128) | 48.0% (12/25) | 33.3% (51/153) | |
| Risk factors | ||||
| Hypertension | 65.4% (83/127) | 69.0% (20/29) | 66.0% (103/156) | 0.83 |
| Diabetes mellitus |
19.7% (25/127) | 6.9% (2/29) | 17.3% (27/156) | 0.12 |
| Hyperlipidemia | 33.9% (43/127) | 17.2% (5/29) | 30.8% (48/156) | 0.12 |
| Coronary artery disease |
26.0% (33/127) | 27.6% (8/29) | 26.3% (41/156) | >0.99 |
| Current smoking |
11.8% (15/127) | 6.9% (2/29) | 10.9% (17/156) | 0.74 |
| Atrial fibrillation |
44.5% (57/128) | 53.6% (15/28) | 46.2% (72/156) | 0.41 |
| Peripheral vascular disorder |
8.7% (11/127) | 0% (0/29) | 7.1% (11/156) | 0.22 |
| History of stroke or TIA |
16.5% (21/127) | 27.6% (8/29) | 18.6% (29/156) | 0.19 |
| Proximal stenosis |
7.9% (10/127) | 10.0% (3/30) | 8.3% (13/157) | 0.72 |
| Laboratory findings on admission |
||||
| Glucose (mg/dL) |
137±50.2 | 129±25.7 | 135.8±47.9 | 0.77 |
| Platelets (k/µl) | 218±66.0 | 236±71.8 | 220±66.7 | 0.29 |
| Hematocrit | 39.0±4.89 | 40.4±5.6 | 39.2±5.0 | 0.26 |
| Systolic blood pressure (mmHg) |
161±34.1 | 162±29.8 | 161±33.3 | 0.86 |
| Diastolic blood pressure (mmHg) |
84±19.3 | 92±14.4 | 85±18.8 | 0.05 |
| Premorbid medications |
||||
| Antiplatelet | 30.5% (39/128) | 21.4% (6/28) | 28.8% (45/156) | 0.37 |
| Warfarin | 12.5% (16/128) | 7.1% (2/28) | 11.5% (18/156) | 0.53 |
| Baseline NIHSS score |
18.2±6.8 | 12.8±6.7 | 17.2±7.1 | <0.001 |
| Left-sided occlusion |
57.5% (69/120) | 60.0% (18/30) | 58.0% (87/150) | 0.84 |
IAT indicates intra-arterial thrombolysis; TIA, transient ischemic attack.