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Table 1: Patient demographics^a
Total Group Recanalized Not Recanalized PValue^b
Early, T_onset ≤6 Hours Late, T_onset >6 Hours
No. of Patients 26 6 12 8 
Sex (female) 54% (14) 50% (3) 67% (8) 38% (3) .47
Age (yr) 69.3 ± 17.4 73.7 ± 14.8 70.6 ± 14.5 64.1 ± 23.3 .58
Hemisphere (left) 58% (15) 50% (3) 58% (7) 63% (5) 1.00
NIHSS score 18 (15–21) 19 (14–23) 16.5 (14.5–18.5) 20.5 (18–21.5) .12
Occlusion site .85
    ICA 50% (13) 50% (3) 50% (6) 50% (4) 
    M1 42% (11) 50% (3) 33% (4) 50% (4) 
    M2 8% (2) 0% (0) 17% (2) 0% (0) 
IV tPA 38% (10) 83% (5) 8% (1) 50% (4) .005
Onset to initial imaging (hr) 4.2 ± 2.5 2.1 ± 0.8 5.1 ± 2.9 4.4 ± 1.9 <.05
Onset to vessel recanalization or procedure end (hr) 7.5 ± 3.0 4.6 ± 0.8 9.0 ± 3.2 7.6 ± 2.0 .007
Onset to follow-up imaging (hr) 51.7 ± 49.8 46.5 ± 34.0 63.5 ± 64.4 37.9 ± 32.4 .53
Recanalization <.001
    Mori 0 23% (6) 0% (0) 0% (0) 75% (6) 
    Mori 1 8% (2) 0% (0) 0% (0) 25% (2) 
    Mori 2 38% (10) 33% (2) 67% (8) 0% (0) 
    Mori 3 23% (6) 33% (2) 33% (4) 0% (0) 
    Mori 4 8% (2) 33% (2) 0% (0) 0% (0) 
a Numeric values are given as mean ± SD or median (interquartile range).
b P values reflect differences between early, late, and nonrecanalized groups.