Table 1

Univariate analysis of predictors of any intracranial hemorrhage after endovascular stroke therapy

VariableAny intracranial hemorrhage (n=363) (N (%))No hemorrhage (n=759) (N (%))p Value
Demographics
 Age (years) (mean±SD)67±1566±150.49
 NIHSS (mean±SD)17±516±60.001
 Female174 (48)366 (48)0.94
 Diabetes mellitus109 (30)156 (20)0.0001
 Hypertension255 (71)518 (68)0.53
 Atrial fibrillation148 (41)265 (35)0.05
 Time to treatment (min) (mean±SD)312±157296±1620.15
 TIMI 2–3 recanalization247 (68)520 (69)0.89
Clot location
 M1 MCA192 (53)369 (49)0.20
 Carotid terminus72 (20)142 (19)0.69
 Tandem occlusion47 (13)94 (12)0.43
 M2 MCA43 (12)129 (17)0.03
 Extracranial ICA10 (3)25 (3)0.71
Therapy
 IV tPA137 (38)234 (31)0.025
 Merci embolectomy130 (36)233 (30)0.002
 Penumbra thrombectomy42 (11)88 (12)0.82
 Angioplasty97 (27)189 (25)0.56
 Stent placement70 (19)145 (19)0.51
 IA tPA194 (53)408 (54)0.49
 Pharmacologic therapy only73 (20)191 (25)0.07
 Mechanical therapy only91 (25)184 (24)0.41
 Multimodal therapy199 (54)385 (51)0.20
  • ICA, internal carotid artery; MCA, middle cerebral artery; NIHSS, National Institutes of Health Stroke Scale; TIMI, Thrombolysis in Myocardial Infarction; tPA, tissue plasminogen activator.