Ultrasound-Guided Fine Needle Aspiration of Deep Thyroid Nodule: Is There a Correlation between the Nodule’s Depth and Nondiagnostic Results?

Table 3

Multiple logistic regression analysis for the correlation between nondiagnostic outcome and selected risk factors (OR and 95% CI).

Risk factors	Values	OR	95% CI	p
Gender	Female	Reference
	Male	2.74	0.27–1.99	0.546
Age	Years	1.01	0.98–1.03	0.713
Nodule depth	<9 mm	Reference
	≥9 mm	2.50	1.14–5.45	0.022
Dimension A	Mm	0.98	0.92–1.05	0.647
Dimension B	mm	0.96	0.89–1.03	0.258

OR- Odds Ratio, CI - confidence interval.