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Table 2: Comparisons between patients who had favorable and unfavorable outcomes 3 months after recanalization
Patient Demographics % or Median (IQR) P
Favorable Outcome (n = 22) Unfavorable Outcome (n = 13)
Age (yr) 64 (61–69) 73 (65–77) .040
Male 90.9 84.6 .618
Medical history – – –
    Diabetes mellitus 22.7 15.4 .689
    Hypertension 54.5 53.8 1.000
    Hypercholesterolemia 27.3 30.8 1.000
    Smoking 45.5 53.8 .733
    Cardiac disease 18.2 7.7 .630
    Prior stroke 9.1 30.8 .166
Preprocedural findings 
    Time to hospital (min)^{^a} 180 (138–208) 180 (100–210) .851
    Time to IA therapy (min)^{^a} 255 (200–279) 280 (180–360) .669
    NIHSS score at admission 9 (8–14) 17 (13–18) .003
    Modified Rankin Scale score 4 (3–4) 4 (4–4) .005
        3 45.5 7.7 .027
        4 54.5 69.2 .486
        5 0.0 23.1 .044
    Right-sided occlusion 27.3 69.2 .032
Tandem occlusion site – – .247^{^b}
        M1 63.6 84.6 .259
        M2 22.7 0.0 .134
        Distal ICA thrombus 13.6 15.4 1.000
    Received IV rtPA 18.2 30.8 .433
Periprocedural findings 
    Procedure duration (min) 90 (66–128) 95 (70–110) .891
    Urokinase dose (×10⁴ U) 10 (10–30) 20 (10–20) .648
    TICI grade – – .006^{^c}
        IIa 9.1 53.8 .006
        IIb 22.7 15.4 .689
        III 68.2 30.8 .043
Complications 0.0 15.4 .144
        Symptomatic hemorrhage 0.0 7.7 .371
        Brain swelling 0.0 7.7 .371
Follow-up evaluation at 3 months 
    NIHSS score^{^d} 2 (2–4) 9 (6–16) <.001
Note:—IQR indicates interquartile range; IA, intra-arterial.
↵a From onset of symptoms.
↵b Fisher exact test.
↵c χ² test for trend. Favorable outcome was defined as a modified Rankin Scale score of ≤2 at 3 months.
↵d Excluding the 4 patients who died within 3 months.