Table 1:

Interreader agreement

Group	Primary Site				Neck
Group	W	τ_B	κ_F	κ_w	W	τ_B	κ_F	κ_w
Overall	0.74		0.48		0.80		0.50
More experienced readers		0.50		0.80		0.60		0.76
Less experienced readers		0.82		0.96		0.96		0.99
No recurrence	0.56		0.30		0.56		0.29
Recurrence	0.96		0.65		0.78		0.41
NI-RADS 1 and 2 merged	0.51		0.23		0.56		0.26
NI-RADS 3 and 4 merged	0.85		0.56		0.59		0.44