Characteristic 0
N = 56
1
1
N = 22
1
p-value2
Age 70 (59, 82) 64 (51, 72) 0.051
Sex 33 (59%) 15 (68%) 0.450
Race

0.643
    0 29 (56%) 16 (76%)
    1 4 (7.7%) 1 (4.8%)
    2 3 (5.8%) 1 (4.8%)
    3 13 (25%) 3 (14%)
    5 3 (5.8%) 0 (0%)
    Unknown 4 1
Smoking

0.693
    0 28 (50%) 9 (41%)
    1 15 (27%) 6 (27%)
    2 13 (23%) 7 (32%)
Atrial.fibrillation 20 (36%) 4 (18%) 0.131
Diabetes 16 (29%) 6 (27%) 0.909
Hyperlipidemia 39 (70%) 15 (68%) 0.900
Hypertension 47 (84%) 17 (77%) 0.522
Congestive.heart.failure 4 (7.1%) 1 (4.5%) >0.999
Coronary.artery.disease 10 (18%) 2 (9.1%) 0.492
Obesity

0.283
    0 41 (73%) 14 (64%)
    1 15 (27%) 7 (32%)
    3 0 (0%) 1 (4.5%)
Previous.stroke.or.transient.ischemic.attack 9 (16%) 1 (4.5%) 0.267
Previous.antiplatelet

0.591
    0 36 (64%) 17 (77%)
    1 14 (25%) 4 (18%)
    2 4 (7.1%) 0 (0%)
    4 2 (3.6%) 1 (4.5%)
Previous.anticoagulant 7 (13%) 2 (9.1%) >0.999
tPA.TNK.given 18 (32%) 9 (41%) 0.464
LKW.to.groin.puncture..hours. 7 (4, 13) 7 (4, 11) 0.697
    Unknown 1 1
Door.to.puncture.time..hours. 1.45 (0.89, 1.90) 0.70 (0.55, 1.28) 0.006
Baseline.mRS

0.422
    0 42 (75%) 17 (85%)
    1 7 (13%) 1 (5.0%)
    2 1 (1.8%) 2 (10%)
    3 3 (5.4%) 0 (0%)
    4 2 (3.6%) 0 (0%)
    9 1 (1.8%) 0 (0%)
    Unknown 0 2
NIHSS 19 (15, 23) 15 (11, 20) 0.093
    Unknown 0 1
ASPECTS

0.939
    0 1 (2.5%) 1 (7.1%)
    4 1 (2.5%) 0 (0%)
    5 2 (5.0%) 1 (7.1%)
    6 4 (10%) 1 (7.1%)
    7 5 (13%) 3 (21%)
    8 8 (20%) 2 (14%)
    9 6 (15%) 1 (7.1%)
    10 13 (33%) 5 (36%)
    Unknown 16 8
Side 24 (43%) 13 (59%) 0.196
Time.under.fluoro 20 (15, 30) 24 (16, 33) 0.397
    Unknown 5 0
Etiology

0.023
    0 22 (39%) 2 (9.1%)
    1 7 (13%) 4 (18%)
    2 24 (43%) 12 (55%)
    3 3 (5.4%) 4 (18%)
Etiology.of.extracranial.ICA.stenosis 9 (16%) 8 (38%) 0.064
    Unknown 1 1
Etiology.of.intracranial.stenosis 1 (1.8%) 0 (0%) >0.999
    Unknown 1 1
Stenting 21 (38%) 17 (77%) 0.002
Treatment.of.ICA.stenosis

<0.001
    1 21 (38%) 17 (77%)
    2 2 (3.6%) 2 (9.1%)
    3 33 (59%) 3 (14%)
ICA.0.direct.aspiration..1.stent.retriever 11 (20%) 0 (0%) 0.028
    Unknown 2 1
Intracranial.0.direct.aspiration..1.stent.retriever 34 (65%) 12 (57%) 0.509
    Unknown 4 1
Aspiration 51 (93%) 18 (82%) 0.215
    Unknown 1 0
Stent.Retriever 35 (64%) 10 (45%) 0.144
    Unknown 1 0
Number.of.passes

0.028
    0 1 (1.8%) 1 (4.5%)
    1 5 (8.9%) 10 (45%)
    2 18 (32%) 5 (23%)
    3 13 (23%) 3 (14%)
    4 8 (14%) 2 (9.1%)
    5 3 (5.4%) 1 (4.5%)
    6 5 (8.9%) 0 (0%)
    7 3 (5.4%) 0 (0%)
Complications 2 (3.6%) 0 (0%) >0.999
Good.TICI.Score.2B 50 (89%) 21 (95%) 0.666
Good.TICI.Score.2C 36 (64%) 16 (73%) 0.477
IV.AP.used

0.761
    0 1 (5.3%) 0 (0%)
    Aggrastat 14 (74%) 10 (67%)
    ASA/plavix 1 (5.3%) 0 (0%)
    brillinta 0 (0%) 1 (6.7%)
    Cangrelor 3 (16%) 4 (27%)
    Unknown 37 7
IV.AP.0.none..1..aggrastat..2.cangrelor

0.020
    0 39 (70%) 8 (36%)
    1 13 (23%) 10 (45%)
    2 4 (7.1%) 4 (18%)
Timing.to.start.IV.AP


    1 51 (100%) 21 (100%)
    Unknown 5 1
Timing.to.start.IV.AP.0.before..1.during..2.after

0.063
    0 2 (3.9%) 0 (0%)
    1 9 (18%) 9 (43%)
    2 40 (78%) 12 (57%)
    Unknown 5 1
Timing.to.start.oral.AP..days.

0.044
    0 14 (32%) 7 (35%)
    1 16 (36%) 11 (55%)
    2 7 (16%) 0 (0%)
    3 5 (11%) 0 (0%)
    5 1 (2.3%) 0 (0%)
    6 0 (0%) 2 (10%)
    8 1 (2.3%) 0 (0%)
    Unknown 12 2
Postprocedure.AP.0.no..1.yes 43 (77%) 20 (91%) 0.210
Stent.Occlusion.0.no..1.occlusion..2.stenosis

<0.001
    0 11 (22%) 14 (70%)
    1 4 (7.8%) 1 (5.0%)
    2 1 (2.0%) 1 (5.0%)
    No stent 35 (69%) 4 (20%)
    Unknown 5 2
Symptomatic.ICH 22 (39%) 4 (18%) 0.075
DHC 4 (7.1%) 0 (0%) 0.572
X90.Day.Mortality 14 (25%) 5 (24%) 0.914
    Unknown 0 1
Recurrent.stroke.in.last.3.months.0.no..1.yes 8 (15%) 2 (9.5%) 0.717
    Unknown 1 1
LOS 7 (4, 12) 4 (3, 9) 0.105
mRS.90.days 4 (3, 6) 2 (2, 5) 0.029
    Unknown 8 2
X 0 (NA%) 0 (NA%)
    Unknown 56 22
1 Median (Q1, Q3); n (%)
2 Wilcoxon rank sum test; Pearson’s Chi-squared test; Fisher’s exact test