From: Fine needle aspiration cytology guided by ultrasound in the diagnosis of subcentimetre thyroid nodules
Nodule size
I
II
III
IV
V
VI
Total
Maximum diameter ≤1.0 cm
3
311
6
20
95
343
778
Maximum diameter >1.0 cm
2
166
1
12
31
110
322
5
477
7
32
126
453
1100