Predictive Values of TIRADS and Bethesda Scoring Systems for Thyroid Malignancy at the Quezon City General Hospital: A Review of Records
DOI:
https://doi.org/10.32412/pjohns.v40i2.2361Keywords:
thyroid, bethesda, tirads, fnab, fnac, cytology, biopsy, ultrasound, thyroid malignancyAbstract
Objective: To determine the predictive values of the TIRADS and Bethesda Scoring Systems in
diagnosing thyroid malignancy at the Quezon City General Hospital.
Methods:
Design: Retrospective Review of Records
Setting: Tertiary Government Training Hospital
Participants: Records of patients aged 18 years old and above who were admitted and underwent thyroidectomy under the Department of Otorhinolaryngology-Head and Neck Surgery from 2018 to 2023
Results: A total of 47 patient records were included, 16 had thyroid malignancy while 31 had benign histopathology results. The Bethesda system showed 60% sensitivity, 94% specificity, 82% positive predictive value and 83% accuracy while the TIRADS system showed 53% sensitivity, 50% specificity, 33% positive predictive value,and 51% accuracy. Using Chi-Square tests, the Bethesda system had a strong association (p value < .0001), while the TIRADS system had no significant association (p value 1.000) with thyroid malignancy [odds ratios 24.2 and 1.00] respectively.
Conclusion: Our study showed that the Bethesda classification had good specificity, positive predictive value, accuracy and fair sensitivity while the TIRADS system had poor predictive value.
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