Table 6.

Health care utilization and patient safety results.

Outcome	n (%)
Head CTaobtained in the EDb	7 (17)
Clinician would make same decision without the app	41 (100)
Admitted to the hospital	0 (0)
Acute findings on CT in ED	0 (0)
ED return visit within 7 days	4 (10)
Physician office or clinic visit within 7 days	14 (34)
Both ED return visit and physician office or clinic visit within 7 days	1 (2)
Neither ED return visit nor physician office or clinic visit within 7 days	22 (54)
Neuroimaging within 7 days	2 (5)
Acute findings on neuroimaging within 7 days	0 (0)

^aCT: computed tomography.

^bED: emergency department.