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Table 1: Demographic data, vascular risk factor profile, clinical parameters, and collateral circulation^{^a}
Clinical Imaging Parameters Excellent Outcome (mRS ≤ 2) (n = 32) Poor Outcome (mRS ≥ 3) (n = 33) P Value
Age (yr) (mean) 59.5 ± 10.84 56.3 ± 13.2 .200
Male sex 28 (87.5) 32 (94.2) .400
Hypertension 16 (55) 13 (39.4) .390
Diabetes mellitus 7 (21.9) 10 (30.3) .440
Dyslipidemia 4 (12.5) 0 (0) .053
Current smoking 19 (56.3) 21 (63.6) .724
Prior ischemic events 8 (25) 6 (18.2) .504
Atherosclerotic ICA occlusion 23 (71.9) 20 (60.6) .337
Dissection/embolic ICA occlusion 9 (18.8) 13 (39.4)
Territorial (MCA) infarct 7 (21.9) 17 (51.5) .002
Hemodynamic infarct 10 (31.2) 13 (39.4)
Others small infarcts 15 (46.9) 3 (9.1)
ASPECTS ≥ 8 28 (87.5) 14 (42.4) <.001
Median NIHSS (IQR) 0.5 (0–4) 15 (17–19) 
NIHSS < 5 15 (46.9) 1 (3.1) <.001
AcomA, poor flow 15 (46.9) 16 (48.5) .897
AcomA, good flow 17 (53.1) 17 (51.5)
Ipsilateral PcomA, poor flow 16 (50) 23 (69.7) .105
Ipsilateral PcomA, good flow 16 (50) 10 (30.3)
Contralateral PcomA, poor flow 21 (65.6) 22 (66.7) .929
Contralateral PcomA, good flow 11 (34.4) 11 (33.3)
Ipsilateral OA, absent 8 (25) 18 (54.5) .015
Ipsilateral OA, present 24 (75) 15 (45.5)
Contralateral OA, absent 3 (9.4) 4 (12.1) 1.000
Contralateral OA, present 29 (90.6) 29 (87.9)
LC, poor flow 3 (9.4) 15 (45.5) .001
LC, good flow 29 (90.6) 18 (54.5)
No. of collaterals, ≥2 27 (84.4) 17 (51.5) .005
Note:—IQR indicates interquartile range.
↵a Data are number and percentage unless otherwise indicated.