The diagnostic value of ultrasonography in detection of different types of thyroid nodules

The Egyptian Journal of Otolaryngology

Table 5 Relation between histopathology and Bethesda

Bethesda	Histopathology				χ²	^MCp
	Benign (n = 34)		Malignant (n = 16)
	No.	%	No.	%
Non-diagnostic (I)	1	2.9	0	0.0	17.410^a	< 0.001^a
Benign (II)	0	0.0	1	6.3
Atypia of unknown origin (III)	2	5.9	2	12.5
Suspicious for follicular neoplasm (IV)	31	91.2	7	43.8
Suspicious for malignancy (V)	0	0.0	4	25.0
Malignant (VI)	0	0.0	2	12.5

c² chi-square test, MC Monte Carlo test, p p value for comparing between the studied groups
^aStatistically significant at p ≤ 0.05