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Table 3 Comparison of FNA diagnoses between this study and the published values in other studies, expressed as a percentage of all FNAs

From: Rates of thyroid malignancy by FNA diagnostic category

FNA diagnosis

This study N = 1491

Yang et al., 2007[3] N = 4703

Jo et al., 2010[4] N = 3080

Wu et al., 2011[5] N = 1382

Unsatisfactory

28.9

10.4

18.6

20.1

Benign

45.7

64.6

59.0

39.0

Abnormal

18.8

3.2

3.4

27.2

SFN

4.4

11.6

9.7

8.4

SFM

1.3

2.6

2.3

2.6

Malignant

0.9

7.6

7.0

2.7

  1. FNA – fine needle aspiration, SFN – Suspicious for Neoplasm, SFM – Suspicious for Malignancy.