Assessment of Plane Dipslide Quantitation of Bacteriuria

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Abstract
The reliability of the Uricult dipslide in the quantitative estimation of bacteriuria has been tested on 2,596 urines from out-patients and in-patients of various types. The dipslide results at 15–20°C and at 37°C correspond almost exactly with pour-plate controls in 340 urines. False-positive and false-negative results were negligible. The dipslide results correspond well, but not so completely, with those from 1,000 urines tested by the less accurate standard-loop technique. Dipping by ward sisters and auxiliary nurses was assessed for accuracy in 1,168 specimens. A number of other studies are reported. On the basis of our results the dipslide system is now being used routinely in our hospital group. It is strongly recommended that a dipslide culture is obtained by the medical practitioner and despatched to the laboratory before antimicrobial therapy is started on a patient with suspected urinary tract infection. Dipslide culture at 15–20°C or 37°C is considered to be as accurate as pour-plate technique and more accurate and reliable than the conventional standard-loop method at 37 °C.

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