Evaluation of a Dip-Slide in a University Outpatient Service

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Abstract
Initial and followup urine specimens from patients in an outpatient service of a university hospital with the diagnosis of presumptive urinary tract infection [bacterial] were processed by the dip-slide system and the conventional calibrated loop procedure. Evaluation of the dip-slide system included not only microbiological comparison but also the feasibility of the adaptation of this system to a clinic working area. Complete microbiological agreement between the 2 methods was approximately 50%. Disagreement was caused largely by improper inoculation, quantitation and interpretation of the dip-slide. The dip-slide apparently cannot be used effectively as a screening tool in a population with a high incidence of urinary tract infection. The use of laboratory personnel along with proper specimen collecting instructions increased the reliability of the dip-slide system. The results obtained should apparently be evaluated carefully along with the clinical impression in complicated cases of urinary tract infections.

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