Table 2.
Utilization of Neurological Resources (CCT, CTA, MRI, LP) in the Emergency Department and Admissions/Discharges by Neurological Evaluation and ESI Categories
| Category | No. (%) CTs | No. (%) MRIs |
No. (%) LPs |
No. (%) admitted | No. (%) discharged |
|---|---|---|---|---|---|
| Acute neurological disorder (n=162) | 73 (45.1) | 58 (35.8) | 9 (5.5) | 121 (74.7) | 41 (25.3) |
| Non-acute neurological disorder (n=113) | 36 (31.8) | 8 (7.7) | 5 (4.4) | 23 (14.2) | 90 (85.8) |
| ESI 1 (n=2) | 1 (50.0) | 0 (0.0) | 0 (0.0) | 2 (100.0) | 0 (0.0) |
| ESI 2 (n=129) | 62 (48.6) | 38 (29.5) | 4 (3.1) | 98 (76.0) | 31 (24.0) |
| ESI 3 (n=86) | 32 (37.2) | 23 (26.7) | 8 (9.3) | 30 (34.9) | 56 (65.1) |
| ESI 4 (n=43) | 12 (27.9) | 3 (7.0) | 2 (4.7) | 11 (25.6) | 32 (74.4) |
| ESI 5 (n=15) | 2 (13.3) | 2 (13.3) | 0 (0.0) | 3 (20.0) | 12 (80.0) |
Abbreviations: CT, computed tomography; CTA, computed tomography angiography; MRI, magnetic resonance imaging; LP, lumbar puncture; ESI, emergency severity index.