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Table 5 Independent risk factors of thyroid malignancy from a single center: Predictor Model Accuracy of 81.7%**

From: Role of ultrasound, clinical and scintigraphyc parameters to predict malignancy in thyroid nodule

Variables Adjust Odds Ratio 95% Confidence Interval P-value
Age at Diagnosis (≥ 39 years) 7.26 1.79 - 29.3 0.005
Microcalcifications* 10.28 1.62 - 64.8 0.013
Border Irregularity* 18.82 5.18 - 68.3 < 0.001
Size ≥ 2 cm* 6.20 1.74 - 22.1 0.005
  1. *Ultrasound parameters
  2. **Multiple logistic regression analysis considering age, nodule size and ultrasound features at presentation