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Investigations performed at outside facilities prior to arrival to our institution
| ≤ 4.5 hours n = 21 |
4.6 – 24 hours n = 41 |
> 24 hours n = 112 |
P | |
|---|---|---|---|---|
| CT Head, n (%) | 0 | 8/39 (21%) | 35/110 (32%) | 0.007 |
| MRI brain, n (%) | 0 | 4/39 (10%) | 27/110 (25%) | 0.006 |
| Vascular imaging, n (%) | 0 | 5/39 (13%) | 42/110 (38%) | < 0.001 |
| Cardiac evaluation, n (%) | 0 | 3/39 (8%) | 32/110 (29%) | < 0.001 |
