Urinary Glycosaminoglycan Excretion as a Laboratory Marker in the Diagnosis of Interstitial Cystitis

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Abstract
Urinary macromolecular uronate and glycosaminoglycan uronate concentrations were determined in 209 urine specimens obtained from 192 interstitial cystitis patients, 47 asymptomatic normal individuals and 32 spinal cord injury patients. As a group the concentration of macromolecular uronate or glycosaminoglycan uronate was significantly less in the interstitial cystitis patients than in the normal controls. Some interstitial cystitis patients showed low values of macromolecular uronate and glycosaminoglycan uronate. Analysis of the population distributions suggested that macromolecular uronate may have significant value in diagnosis of interstitial cystitis.