Evaluation of various tests of amsels criteria for diagnosis of bacterial vaginosis in patients of preterm labor
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2015, Vol 3, Issue 9
Abstract
Bacterial vaginosis is the most common vaginal infection in women of reproductive age.. We undertook this study to evaluate various tests of amsels criteria for diagnosis of bacterial vaginosis in preterm patients considering amsels clinical criteria as gold standard. Case-control study, the materials and method is in this prospective study included 200 antenatal preterm women .Pregnant women of gestational age between 28-37 weeks with preterm labor were taken as study group and pregnant women of same gestational age without any signs and symptoms of preterm labor were taken as control group. Data obtained were statistically analysed by chi-square test and student t-test, significance was expressed in terms of "p" value. All women were subjected to clinical examination and various tests of amsels criteria. . Amsel's criteria were taken for interpretation of results. Statistical analysis was done by calculating proportions, percentage, sensitivity and specificity and predictive values. The results in our study group 33% women were having bacterial vaginosis compared to 17% in control group on the basis of amsels criteria. The sensitivity of pH, homogenous discharge, and whiff test were 100% but the specificity was 47.7%, 51.4%, 86% respectively. The clue cells had lowest sensitivity (80%) but highest specificity (92%). In our study conclusion was bacterial vaginosis was found to be an important risk factor for preterm delivery. The whiff test is the best clinical criteria of Amsel’s criterion in the diagnosis of BV due to its high sensitivity and specitivity. Clue cell test has the highest specificity among all tests. Keywords: Bacterial vaginosis, Preterm labor, Amsel’s criteria.
Authors and Affiliations
Jain Shikha, Agarwal Veena
Keywords
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