Table 3

Factors associated with outcome grouped by recanalization time

VariableNTotalGood outcomePoor outcomep Value
mRS 0–2mRS 3–6
Early recan
Age11063.56 (14.51)61.92 (14.67)66.94 (13.75)0.09
Female11052 (47.3)32 (43.2)20 (55.6)0.225
White11062 (56.4)41 (55.4)21 (58.3)0.771
Baseline NIHSS11014.362 (6.94)12.49 (5.07)19.00 (8.17)<0.001
Onset to groin (hours)1108.35 (6.57)7.52 (6.22)9.96 (7.01)0.103
IV tPA11040 (36.4)26 (35.1)14 (38.9)0.701
AF11022 (20.0)15 (20.3)7 (19.4)0.919
Diabetes11022 (20.0)18 (24.3)4 (11.1)0.104
Hypertension11074 (67.3)49 (66.2)25 (69.4)0.735
Recanalization time (min)11018.55 (8.37)17.93 (7.67)19.81 (9.66)0.313
Final TICI flow1100.707
 01 (0.9)1 (1.4)0 (0.0)
 10 (0.0)0 (0.0)0 (0.0)
 2a0 (0.0)0 (0.0)0 (0.0)
 2b22 (20.0)14 (18.9)8 (22.2)
 2c10 (9.1)8 (10.8)2 (5.6)
 377 (70.0)51 (68.9)26 (72.2)
Final TICI flow1100.484
 0–2a1 (0.9)1 (1.35)0 (0.0)
 2b–3109 (99.1)73 (98.6)36 (100.0)
Complication1102 (1.8)0 (0.0)2 (5.6)0.105
Hemorrhage11025 (22.7)12 (16.2)13 (36.1)0.019
Device: Trevo1105 (4.5)3 (4.1)2 (5.6)0.662
Device: Solitaire1109 (8.2)7 (9.5)2 (5.6)0.715
Device: Precise1101 (0.9)1 (1.4)0 (0.0)1.00
Device: other11095 (86.4)63 (85.1)32 (88.9)0.59
Delayed recan
Age7070.01 (13.22)65.96 (12.84)72.41 (12.99)0.048
Female7035 (50.0)10 (38.5)25 (56.8)0.138
White7043 (61.4)16 (61.5)27 (61.4)0.988
Baseline NIHSS7015.96 (7.42)13.12 (7.38)17.36 (6.99)0.013
Onset to groin (hours)707.03 (5.17)6.03 (4.47)7.72 (5.56)0.241
IV tPA7022 (31.4)11 (42.3)11 (25.0)0.132
AF7013 (18.6)3 (11.5)10 (22.7)0.345
Diabetes7013 (18.6)5 (19.2)8 (18.2)0.913
Hypertension7032 (45.7)8 (30.8)24 (54.5)0.054
Recanalization time (min)7068.51 (38.91)62.81 (25.30)71.89 (45.01)0.349
Final TICI flow700.299
 00 (0.0)0 (0.0)0 (0.0)
 13 (4.3)0 (0.0)3 (6.8)
 2a3 (4.3)1 (3.8)2 (4.5)
 2b29 (41.4)8 (30.8)21 (47.7)
 2c4 (5.7)2 (7.7)2 (4.5)
 331 (44.3)15 (57.7)16 (36.4)
Final TICI flow700.269
 0–2a6 (8.6)1 (3.8)5 (11.4)
 2b–364 (91.4)25 (96.2)39 (88.6)
Complication701 (1.4)1 (3.8)0 (0.0)0.371
Hemorrhage7029 (41.4)10 (38.5)19 (43.2)0.698
Device: Trevo7013 (18.6)4 (15.4)9 (20.5)0.424
Device: Solitaire7018 (25.7)8 (30.8)10 (22.7)0.457
Device: Precise708 (11.4)4 (15.4)4 (0.1)0.458
Device: other7036 (51.4)14 (53.8)22 (50.0)0.756
  • Values are n (%) or mean (SD).

  • χ2 Test (Fisher's exact test for small cell sizes) or Student's t test for the entire patient cohort.

  • AF, atrial fibrillation; IV tPA, IV tissue plasminogen activator; mRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale; TICI, Thrombolysis in Cerebral Infarction.