Baseline characteristics
| All (n = 170) | Center A (n = 57) | Center B (n = 42) | Center C (n = 44) | Center D (n = 27) | |
|---|---|---|---|---|---|
| Treatment period/characteristics | October 2009 to July 2014 | March 2007 to July 2014 | January 2011 to February 2014 | December 2009 to February 2013 | |
| Age (yr) (median) (range) | 64 (25–88) | 64 (40–86) | 60 (25–88) | 64 (37–87) | 70 (48–82) |
| Male sex (n/N) (%) | 119/170 (70%) | 39/57 (68%) | 30/42 (71%) | 32/44 (76%) | 18/27 (67%) |
| IV thrombolysis (n/N) (%) | 122/170 (72%) | 49/57 (85%) | 31/42 (74%) | 19/44 (43%) | 23/27 (85%) |
| Baseline NIHSS (median) (range) | 15 (12–19) | 16 (13–19) | 16 (9–21) | 16 (14–20) | 15 (10–17) |
| Symptom onset to admission (min) (median) (range) | 98 (52–160) | 102 (49–153) | 83 (50–180) | 108 (60–183) | 86 (63–183) |
| Distal occlusion site | |||||
| Carotid-T (n/N) (%) | 51/170 (30%) | 28/57 (49%) | 17/42 (40%) | 3/44 (7%) | 3/27 (11%) |
| Terminal ICA (n/N) (%) | 3/170 (2%) | 2/57 (4%) | 1/42 (2%) | – | – |
| MCA M1 (n/N) (%) | 99/170 (58%) | 19/57 (33%) | 19/42 (45%) | 37/84 (%) | 24/27 (89%) |
| MCA M2 (n/N) (%) | 17/170 (10%) | 8/57 (14%) | 5/42 (12%) | 4/44 (9%) | – |
Note:— – indicates none.