Observed agreement between radiologists for presence and distribution of thyroid nodule echogenic focia
| US Classification | Agreement for Presence or Absence (No.) (%) | Agreement for Distribution (No.) (%) |
|---|---|---|
| Punctate echogenic foci | 15/15 (100%) | 14/15 (93%) |
| Echogenic foci with large comet-tail artifacts | 11/15 (73%) | 11/15 (73%) |
| Macrocalcifications | 8/15 (53%) | 8/15 (53%) |
| Peripheral rim calcifications | 15/15 (100%) | 15/15 (100%) |
Note:—No. indicates number of nodules.
↵a The valid number of observations is 15.