Indian J Sex Transm Dis Indian J Sex Transm Dis
Official Publication of the Indian Association for the Study of Sexually Transmitted Diseases
Indian J Sex Transm Dis
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Year : 2018  |  Volume : 39  |  Issue : 2  |  Page : 120-123

Evaluation of interobserver reliability of Nugent score for diagnosis of bacterial vaginosis

1 Department of Microbiology, Sri Venkateshwaraa Medical College Hospital and Research Centre, Puducherry, India
2 Department of Obstetrics and Gynaecology, Aarupadai Veedu Medical College and Hospital, Puducherry, India

Correspondence Address:
Dr. Jessy Varghese
Department of Obstetrics and Gynaecology, Aarupadai Veedu Medical College and Hospital, Puducherry
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijstd.IJSTD_98_16

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Background: Vaginal discharge is the commonly narrated compliant of the female attendees of sexually transmitted infection clinic, among which bacterial vaginosis (BV) is responsible for one-third of the visits. BV is often diagnosed clinically which warrants laboratory confirmation. Aims: The study aims to detect the reliability of the Nugent scoring system between observers for the diagnosis of BV. Materials and Methods: This is a prospective study including 177 high vaginal swabs. The gram-stained smears were examined by three independent microbiologists, and the Nugent scoring was performed. Statistical analysis was performed using IBM-SPSS version-22 statistical package for kappa value. Results: Concordant results were seen in 64.03% of smears, discordant results were given in 4.51% of smears, and partial agreement was observed in 31.63% of smears. Conclusion: Interobserver reliability is good for the Nugent score. The Nugent score is a simple and reliable method for the diagnosis of BV that can be adapted even in the resource poor settings.

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