Table 5.
Secondary outcomes for patients in the rMRI period, by index study modality
| Variable | rMRI (N = 504) |
Head CT (N = 634) |
Full MRI (N = 170) |
P value |
|---|---|---|---|---|
| Time to neuroimaging in minutes; median (IQR) | 182 (138–255) | 86 (52–137) | 200 (146–262) | < 0.01 |
| Total ED LOS in minutes; median (IQR) | 396 (304–484) | 257 (196–334) | 338 (269–420) | < 0.01 |
| Any follow-up neuroimaging within 14 days, n (%) | 49 (9.7) | 95 (15.0) | 25 (14.7) | 0.02 |
| Full MRI within 14 days, n (%) | 36 (7.1) | 82 (12.9) | N/A | < 0.01 |
| Time to follow up neuroimaging, n (%) | 0.77 | |||
| 1–2 days | 35 (71.4) | 75 (78.9) | 18 (72.0) | |
| 3–7 days | 8 (16.3) | 9 (9.5) | 4 (16.0) | |
| 8–14 days | 6 (12.2) | 11 (11.6) | 3 (12.0) |