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Journal of Clinical Microbiology, March 2001, p. 1008-1016, Vol. 39, No. 3
Indiana University School of Medicine,
Indianapolis, Indiana1; San Joaquin
County Public Health Services, Stockton,2 and
University of California
Received 12 September 2000/Returned for modification 14 November
2000/Accepted 28 December 2000
The performance of the Becton Dickinson BDProbe Tec ET System
Chlamydia trachomatis and Neisseria gonorrhoeae
Amplified DNA Assays (BD Biosciences, Sparks, Md.) was evaluated in a
multicenter study. Specimens were collected from 2,109 men and
women, with or without symptoms, attending sexually transmitted
disease, family planning, and obstetrics and gynecology clinics. Both
swab and urine samples were collected, and the results obtained from
4,131 specimens were compared to those from culture and the LCx nucleic acid amplification test (Abbott Industries, Abbott Park, Ill.). PCR and
cytospin of the culture transport medium with chlamydia direct
fluorescent antibody staining were used to adjudicate chlamydia culture-negative results. Sensitivity and specificity were calculated both with and without use of the amplification control (AC), with little apparent difference in the results. Without the AC result, sensitivity for C. trachomatis and N. gonorrhoeae were 92.8 and 96.6%, respectively, for cervical
swabs and 80.5 and 84.9% for urine from women. C. trachomatis and N. gonorrhoeae sensitivities were 92.5 and 98.5%, respectively, for male urethral swabs and 93.1 and 97.9% for urine from men. This amplified DNA system for simultaneous detection of chlamydial and gonococcal infections demonstrated superior sensitivity compared to chlamydia culture and has
performance characteristics comparable to those of other commercially
available nucleic acid-based assays for these organisms.
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.3.1008-1016.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Multicenter Evaluation of the BDProbeTec ET System for Detection
of Chlamydia trachomatis and Neisseria
gonorrhoeae in Urine Specimens, Female Endocervical Swabs, and
Male Urethral Swabs
San Francisco, San
Francisco,6 California; University of
Alabama
Birmingham, Birmingham, Alabama3;
Johns Hopkins University4 and
University of Maryland Medical
System,5 Baltimore, Maryland; and
Cleveland Clinic Foundation, Cleveland, Ohio7
*
Corresponding author. Mailing address: 545 N. Barnhill #435, Indianapolis, IN 46202. Phone: (317) 274-1422. Fax:
(317) 278-1114. E-mail: bvanderp{at}iupui.edu.
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