Evaluation of the MS-2 urine screening method for detection of bacteriuria

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Abstract
A collaborative evaluation of the MS-2 urine screening system indicated that the automated method could successfully identify at least 84% of urine [human] specimens that contained .gtoreq. 105 colony-forming units [CFU] per ml. Most specimens not detected as positive by the system contained primarily diphtheroids and yeasts. Excluding those specimens which contained diphtheroids and yeasts, the MS-2 system correctly identified as positive 94.8% of specimens that contained .gtoreq. 105 colony-forming units per ml and as negative 96.1% of specimens that contained < 104 colony-forming units per ml. The automated system is an attractive method for the screening of urine specimens for significant bacteriuria.