Abstract:
OBJECTIVE:To evaluate the ability of collecting the Affirm VP-III test sample using the residual vaginal discharge found on the speculum. METHODS AND METHODS:One hundred nine symptomatic women (≥18 y) participated in this study. During pelvic examination, vaginal fluid was collected onto 3 swabs for office-based diagnostic tests and Affirm (referred to as Affirm-R). A fourth swab was used to collect residual vaginal discharge from the speculum, followed by Affirm testing (referred to as Affirm-RVD). Sensitivity, specificity, and Cohen κ agreement for office-based diagnostic tests and Affirm-RVD were determined against Affirm-R. RESULTS:Complete results were available for 99 samples. Cohen κ agreement between Affirm-RVD and Affirm-R was 0.66 (p<.0001) for Gardnerella vaginalis, 0.81 (p<.0001) for Candida species, and 1.0 (p<.0001) for Trichomonas vaginalis. Affirm-RVD sensitivity, specificity, and positive and negative predictive values were 73.8%, 91.2%, 86.1%, and 82.5% for G. vaginalis; 84.2%, 96.3%, 84.2%, and 96.3% for Candida species; and 100%, 100%, 100%, and 100% for T. vaginalis, respectively. Cohen κ agreement between office-based diagnostic tests and Affirm-R was 0.16 (p=.141) for G. vaginalis, 0.46 (p<.0001) for Candida species, and 0.55 (p<.0001) for T. vaginalis. CONCLUSIONS:The Affirm VP-III sample collected from the residual vaginal discharge found on the speculum after performing office-based diagnostic tests can produce comparable results to traditionally collected sample.
journal_name
J Low Genit Tract Disjournal_title
Journal of lower genital tract diseaseauthors
Mulhem E,Boyanton BL Jr,Robinson-Dunn B,Ebert C,Dzebo Rdoi
10.1097/LGT.0000000000000025subject
Has Abstractpub_date
2014-10-01 00:00:00pages
344-6issue
4eissn
1089-2591issn
1526-0976journal_volume
18pub_type
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journal_title:Journal of lower genital tract disease
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