Table 2.
Processes of care.
| Pre-intervention; n= 130 | Post-intervention; n= 150 | P value | |
|---|---|---|---|
| Disposition | <0.001 | ||
| Discharged home from ED (%) | 15 (11) | 5 (3) | |
| Admit ED obs (%) | 35 (27) | 108 (72) | |
| Admit inpatient (%) | 80 (62) | 36 (24) | |
| Workup | |||
| Head CT (%) | 88 (68) | 87 (58) | 0.087 |
| Neck CTA (%) | 41 (32) | 33 (22) | 0.039 |
| Brain MRI (%) | 108 (83) | 132 (88) | 0.44 |
| Neck MRA (%) | 79 (61) | 108 (72) | 0.046 |
| Carotid US (%) | 14 (11) | 15 (10) | 0.99 |
| Echocardiography (%) | 50 (38) | 52 (35) | 0.36 |
| Holter monitor while admitted | 39 (30) | 38 (25) | 0.015 |
| Holter planned after discharge | 9 (7) | 20 (13) | 0.42 |
| Length of stay | |||
| ED LOS in hours; median (IQR) | 5.7 (4.0–7.8) | 4.9 (3.5–6.4) | 0.027 |
| ED OBS LOS in hours, of those admitted to obs; median (IQR) | 10.7 (6.0–17.3) N=46 | 15.6 (8.8–20.5) N=124 | 0.034 |
| Inpatient LOS in hours, of those admitted; median (IQR) | 39.1 (20.3–84.3) N=84 | 61.8 (39.4–98.2) N=37 | 0.057 |
| Total Hospital LOS in hours; median (IQR) | 29.4 (18.1–54.8) | 23.1 (15.9–35.7) | 0.019 |
| Final diagnosis (%) | 0.18 | ||
| TIA | 59 (45) | 61 (41) | |
| Stroke | 19 (15) | 15 (10) | |
| ICH | 0 (0) | 0 (0) | |
| Migraine | 6 (5) | 4 (3) | |
| Infection | 0 (0) | 0 (0) | |
| Tumor | 0 (0) | 3 (2) | |
ED, emergency department; OBS, observation unit; CT, computed tomography, CTA, computed tomography angiography; MRI, magnetic resonance imaging; MRA, magnetic resonance angiography; US, ultrasound; LOS, length of stay; IQR, interquartile range; ICH, intracranial hemorrhage.