
Urine Gram stain has moderate predictive value for detecting gram-negative bacteria in urine culture but does not significantly improve urinary tract infection (UTI) diagnosis in the emergency department compared to other urine analysis methods.


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Compared with other methods, urine Gram stain moderately predicted gram-negative bacteria but added little value to UTI diagnosis in the ED, raising questions about its clinical utility.

Does Gram Stain Enhance UTI Diagnosis in the ED?

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Urine Gram Stain's Limited Utility in Diagnosing Urinary Tract Infections in the Emergency Department
