Table 2

Stroke and logistic data

MSIG
(n=12)
CG1
(n=10)
P valueCG2
(n=25)
P value
Location of arterial occlusion
 M1-MCA; n (%)5 (41.7)4 (40.0)1.000*18 (72.0)0.292*
 M2-MCA; n (%)5 (41.7)3 (30.0)1.000*6 (24.0)0.886*
 ICA +M1 MCA; n (%)2 (16.7)3 (30.0)1.000*1 (4.0)0.482*
Right-side stroke; n (%)7 (58.3)7 (70.0)1.000*17 (68.0)1.000*
Stroke etiology; n (%)
 Cardioembolic; n (%)8 (66.7)7 (70.0)1.000*14 (56.0)1.000*
 ICAS; n (%)3 (25)0 (0.0)0.442*9 (36.0)1.000*
 ESUS; n (%)1 (8.3)3 (30.0)0.586*1 (4.0)1.000*
 Dissection; n (%)0.00 (0.0)1.0001 (4.0)1.000*
ASPECT score; median (IQR)9.5 (8–10)8.5 (8–10)1.000†9.0 (6–10)0.277†
Time onset-to-admission; median (IQR); min
93.0 (80–115)85.0 (37–203)1.000†70.0 (20–230)0.048†
IVT; n (%)7 (58.3)10 (100.0)0.080*25 (100.0)0.004*
Time onset-to-needle; median (IQR); min125.0 (101–165)126.0 (65–210)0.728†105.0 (75–270)0.056†
Time onset-to-groin; median (IQR); min168.0 (135–270)140.0 (120–210)0.724†160.0 (110–290)0.761†
Time onset-to-recanalization failure; median (IQR); min205.0 (125–360)193.5 (125–270)1.000†210.0 (165–360)1.000†
TICI 0 at time of recanalization failure; n (%)11 (91.7)9 (90.0)1.000*17 (68.0)0.440*
TICI 1 at time of recanalization failure; n (%)1 (8.3)1 (10.0)1.000*8 (32.0)0.440*
  • *Fisher’s exact test;

  • †Mann-Whitney U-test;

  • ASPECT, Alberta Stroke Program Early CT; CG1, control group in center 1; CG2, control group in center 2; ESUS, embolic stroke of unknown source; ICA, internal carotid artery; ICAS, intracranial atherosclerosis; IVT, Intravenous thrombolysis; MCA, middle cerebral artery; MSIG, microsurgical inrtervention group; TICI, thrombolysis in cerebral infarction.