Table 6.

False-positive FNA.

Authors	False negative cases (%)	Total number of cases
Rosa et al. [39]	0%	1583
Day et al. [40]	0%	831
Arisio et al. [29]	0.3%	1601
Feichter et al. [41]	0.5%	1003
Park and Ham [37]	1%	699
Ishikawa et al. [25]	2%	382