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J Clin Microbiol. 1986 April; 23(4): 752-754

Evaluation of an enzyme immunoassay for the diagnosis of chlamydial infections in urogenital specimens.

ABSTRACT

A total of 194 male urethral and 402 cervical specimens were obtained from patients at the venereal disease outpatient clinic of University Hospital, Rotterdam, The Netherlands, to evaluate the IDEIA test (Boots Celltech) for the detection of chlamydial infections. The prevalences of culture-positive males and females were 17.5 and 8.2%, respectively. The respective overall sensitivities and specificities found were 67.6 and 93.7% for the males and 63.6 and 93.8% for the females. The highest sensitivity (83.3%) was found in male patients with more than 20 leukocytes per field in the sediment of the first-voided urine (magnification, X250) and in women with more than 10 leukocytes per field in a cervical Gram stain (magnification, X800). However, in men without urethritis and in women with fewer than 10 leukocytes per field in the Gram stain, sensitivities of 44.4 and 40%, respectively, were found. Culture-positive, IDEIA-negative results were predominantly observed in samples with few inclusions in the culture.