Appropriateness of antibiotic use in patients with and without altered mental status diagnosed with a urinary tract infection.

Objective: The objective of this study was to determine antibiotic appropriateness based on Loeb minimum criteria (LMC) in patients with and without altered mental status (AMS).

Design: Retrospective, quasi-experimental study assessing pooled data from 3 periods pertaining to the implementation of a UTI management guideline.

Setting: Academic medical center in Lexington, Kentucky.