Reduction in hospital admissions with an early computed tomography scan: results of an outpatient management protocol for uncomplicated acute diverticulitis.

Definitive diagnosis by early CT scan in the ED decreased the admission rate for UAD by more than 50%, and significantly reduced the total number of hospital days without resulting in an increase in representations. UAD can safely and effectively be treated in an outpatient setting leading to a reduction in the burden on the health system.