Table 3.

Distribution of repeat USFNA cytology according to initial Bethesda classification

p-USFNA	r-USFNA
	B2	B3	B4	B5	B6	Total
B3
Frequency	6	50	11	14	0	81
%	7.4	77.2	13.6	17.3	0
B4
Frequency	0	5	7	1	2	15
%	0	33.3	46.7	6.7	13.3
Total						96

Abbreviations: p-USFNA primary fine-needle aspiration, r-USFNA Repeat fine-needle aspiration, B2 Bethesda score II, B3 Bethesda score III, B4 Bethesda score IV, B5 Bethesda score V, B6 Bethesda score VI