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Pyuria and Asymptomatic Bacteriuria in Elderly Ambulatory Women

Jerome A. Boscia, MD; Elias Abrutyn, MD; Matthew E. Levison, MD; Peter G. Pitsakis, BS; and Donald Kaye, MD
[+] Article, Author, and Disclosure Information

Grant Support: Partial support from a grant by Teaching Nursing Home Award AG-03934 from the National Institute on Aging.

Requests for Reprints: Donald Kaye, MD, The Medical College of Pennsylvania, 3300 Henry Avenue, Philadelphia, PA 19129.

Current Author Addresses: Dr. Boscia: SmithKline Biologicals, U.S., Smith Kline & French Laboratories, Philadelphia, PA 19101.

Dr. Abrutyn: Department of Medicine, Veterans Administration Hospital, Philadelphia, PA 19104.

Dr. Levison, Mr. Pitsakis, and Dr. Kaye: Department of Medicine, Medical College of Pennsylvania, Philadelphia, PA 19129.

Ann Intern Med. 1989;110(5):404-405. doi:10.7326/0003-4819-110-5-404
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This excerpt has been provided in the absence of an abstract.

Bacteriuria is common in elderly persons (1-4) and is usually asymptomatic (5). In the absence of symptoms, pyuria is the only readily available way to differentiate urinary infection with inflammation from infection without inflammation (6). Greater than or equal to 102 colony forming units (CFU) of a gram-negative bacillus/mL of urine is predictive of infection in young women with symptomatic lower urinary tract infection (7). Therefore 102 to 104 CFU of a gram-negative bacillus/mL should indicate infection in someone with asymptomatic bacteriuria. This study assessed the occurrence of pyuria and determined its relation with different levels of asymptomatic bacteriuria in


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