1. Distribution of diagnoses of thyroid FNAs.
| Diagnostic category | Total | Sonographers groups | Surgeons groups | |||||
| n | % | n | % | n | % | |||
| FNA, fine needle aspiration; ND/UNS, nondiagnostic or unsatisfactory; DC, diagnostic category; B, benign; AUS/FLUS, atypia of undetermined significance or follicular lesion of undetermined significance; SFN/FN, suspicious for follicular neoplasm or follicular neoplasm; SM, suspicious for malignancy; M, malignant. | ||||||||
| ND/UNS (DC I) | 411 | 14.8 | 261 | 14.3 | 150 | 15.7 | ||
| B (DC II) | 476 | 17.1 | 369 | 20.2 | 107 | 11.2 | ||
| AUS/FLUS (DC III) | 439 | 15.8 | 282 | 15.4 | 157 | 16.4 | ||
| SFN/FN (DC IV) | 64 | 2.3 | 35 | 1.9 | 29 | 3.0 | ||
| SM (DC V) | 319 | 11.5 | 234 | 12.8 | 85 | 8.9 | ||
| M (DC VI) | 1,072 | 38.5 | 645 | 35.3 | 427 | 44.7 | ||
| Total | 2,781 | 100 | 1,826 | 100 | 955 | 100 | ||