Reasons | Proportion of patients, % | |||
---|---|---|---|---|
Comprehensive stroke centre n = 2878 N, weighted = 11036.8 | Primary stroke centre n = 2707 N, weighted = 9439.1 | Other n = 2399 N, weighted = 11036.6 | All hospitals n = 7984 N, weighted = 31512.5 | |
Interval from onset of symptoms to arrival > 4.5 h* | 48.8 | 35.3 | 41.6 | 42.3 |
Neurological deficit judged too mild | 26.6 | 22.0 | 24.3 | 24.4 |
Neurological deficit judged too severe | 3.4 | 2.7 | 3.5 | 3.2 |
Clear medical contraindication | 6.6 | 4.3 | 3.4 | 4.8 |
Delayed decision | 0.2 | 0.3 | 0.3 | 0.3 |
Documented physician decision | 6.4 | 8.0 | 5.3 | 6.5 |
Not documented | 20.0 | 29.7 | 26.9 | 25.3 |
*During the study period, guidelines changed from a 3-hour window for stroke thrombolysis to a 4.5-hour window based on new randomized trials. Thus, the proportion of patients who received treatment may be appropriately conservative.