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Table 8 Comparison between different studies regarding background blood using FNAC vs. FNNAC (Song etal.,[10])

From: Ultrasound-guided fine needle aspiration versus non-aspiration techniques in the evaluation of solid thyroid nodules

Background blood

Technique

FNAC

FNNAC

Mean

 ± S.D

Mean

 ± S.D

Pinki et al., [11]

0.56

0.499

1.74

0.485

Ghosh et al., [15]

0.714

0.468

1.28

0.468

Mahajan et al., [14]

1.04

0.7348

1.32

0.8021

Kashi et al., [5]

1.82

0.42

1.87

0.36

de Carvalho et al., [12]

1.39

0.71

1.39

0.72