Abstract: Background: Risk of malignancy index (RMI) in ovarian tumour is an assessment tool to evaluate whether an adnexal mass is malignant or benign. The scoring system helps in triaging an adnexal mass so as to refer these patients to a gynaecologic oncology center.
Methods: 100 patients presenting with adnexal mass were evaluated with CA 125 level, ultrasound of abdomen and pelvis and about their pre-menopausal or post-menopausal status. The RMI score is calculated after the final evaluation.
Results: Sensitivity of RMI in the pre-menopausal women was 88.23% and that of the post-menopausal women were 100%. Specificity of RMI in the pre-menopausal women were 97.77% and that of the post-menopausal women was 77.77%. The positive predictive value in the pre-menopausal women was 93.75% and that of the post-menopausal women were 93.54%. The negative predictive value in the pre-menopausal women were 95.65% and that of the post-menopausal women was 100%.
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