Table 1

Baseline clinical and radiological patient characteristics

All patients, n=152 (%)ACE 60, n=57 (%)ACE 64, n=35 (%)ACE 68, n=60 (%)P values
Mean age, years68.167.468.768.30.65*/0.71†
Sex0.051
 Female70 (46)21 (37)22 (63)27 (45)
 Male82 (54)36 (63)13 (37)33 (55)
Atrial fibrillation61 (40)22 (39)12 (35)27 (45)0.56
Diabetes mellitus32 (21)12 (21)8 (23)12 (20)0.95
Hypertension93 (61)34 (60)21 (60)38 (63)0.91
Mean NIHSS18.518.218.818.40.6*/0.62†
IV-tPA administration81 (53)31 (54)18 (51)32 (53)0.96
Mean baseline NCCT ASPECTS99.38.78.90.015*/0.08†
Thrombus location
 ICA43 (28)14 (25)11 (31)18 (30)0.72
 MCA M178 (51)25 (44)20 (57)33 (55)0.36
 MCA M226 (17)14 (25)3 (9)9 (15)0.12
 MCA M35 (3)4 (7)1 (3)00.1
 Left side86 (57)31 (54)17 (49)38 (63)0.34
Tandem ICA origin occlusion22 (15)8 (14)7 (20)7 (12)0.5
Mean cervical tortuosity, degrees244.9255.8263.6223.80.81*/0.28†
 Severe,≥360°41 (27)19 (33)10 (29)12 (20)0.26
Mean time LKW to groin puncture, min262224.1302.3274.40.028*/ 0.11†
  • *P-value for the difference between ACE 60 and ACE 64 using Student’s t-test.

  • †P-value for the difference between ACE 60 and ACE 68 using Student’s t-test.

  • ASPECTS, Alberta Stroke Program Early CT Score; CT, computed tomography; ICA, internal carotid artery; IV-tPA, intravenous tissue plasminogen activator; LKW, last known well; min: minutes; MCA, middle cerebral artery; N, number of patients; NIHSS, National Institutes of Health Stroke; NCCT, non-contrast computed tomography CT.