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Article
May 11, 1994

Tests to Detect Asymptomatic Urinary Tract Infections-Reply

Author Affiliations

Mayo Clinic Rochester, Minn

JAMA. 1994;271(18):1399-1400. doi:10.1001/jama.1994.03510420031015
Abstract

In Reply.  —Our study reaffirms the value of Gram's stain. It is still the preferred test for same-day results in diagnosing AUTIs.We did not present data about low leukocyte counts and UTIs. In our preliminary analysis, we found that in our patient population even leukocyte counts less than 4 cells per high-power field were not discriminatory.The cost of a urine dipstick was 26 cents. It can be performed easily during the patient's visit and recorded directly in the medical record. In our practice, the price has been absorbed. A central laboratory that charges $11 does so to include the cost of such things as transport, laboratory personnel, paperwork, and pathologist supervision. A clinician may choose a less expensive and simpler approach. Another advantage is that the US Preventive Guidelines1 call for urine dipstick testing for protein and glucose at each prenatal visit. If one adds the nitrite

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