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Table 3 Cytological inadequate rates of FNA specimens with CEUS- and US-guidance

From: Contrast-enhanced ultrasound improves the potency of fine-needle aspiration in thyroid nodules with high inadequate risk

 

CEUS-FNA

(n = 105)

US-FNA

(n = 210)

P value

Cystic

7.4% (2/25)

28.1% (18/46)

0.029

Predominantly cystic

6.7% (1/14)

17.1% (7/34)

0.428

Predominantly solid

5.6% (1/17)

10.0% (4/36)

0.577

Solid

6.7% (3/42)

9.2% (6/59)

0.630

Total

6.7% (7/98)

16.7% (35/175)

0.014

  1. Data were presented as inadequate rate, with number of inadequate/adequate items in parentheses