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ROGER J. BULGER, MD; WILLIAM M. M. KIRBY, MD

Arch Intern Med. 1963;112(5):742-746.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

The emphasis in recent years on "significant bacteriuria" ¹ has led to the recognition that urine cultures and colony counts are the best laboratory procedures available to the clinician in ascertaining the pressure of urinary tract infections. Kass ¹ and others have shown significant urinary infection is present if two consecutive urine specimens, appropriately collected, contain more than 100,000 colonies per milliliter of bacteria. Further, when bacterial counts are between 10,000 and 100,000 colonies per milliliter, additional specimens should be tested since they often are found to have more than 100,000 colonies per milliliter.^1,3 The Gram-stained preparation of a drop of fresh, unspun urine sediment and a microscopic examination of a drop of fresh, well-mixed urine have been also advocated as excellent, simple procedures for the detection of infected urine. Kass² has claimed an 80% correlation between the presence of bacteria on the Gram stain and colony counts . . . [Full Text PDF of this Article]

Author Affiliations
SEATTLE

Assistant in Medicine, University of Washington School of Medicine, and Trainee in Infectious Diseases, US Public Health Service (Dr. Bulger); Professor of Medicine, University of Washington School of Medicine, Attending Physician, University Hospital (Dr. Kirby).

From the Department of Medicine, University of Washington School of Medicine, and the University Hospital.

Footnotes
Received for publication April 11, 1963; accepted May 13.

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