Table 2.

Interobserver agreement for the recognition of (consolidated) scaphoid fractures based on 6-week radiographs (JPEG versus DICOM viewer)

	JPEG (n = 53)			DICOM viewer (n = 28)			P value
	Kappa	Agreement	95 % CI	Kappa	Agreement	95 % CI
Overall	0.15	Slight	0.13 to 0.16	0.14	Slight	0.12 to 0.16	0.75
Area
United States	0.14	Slight	0.12 to 0.16	0.16	Slight	0.14 to 0.18	0.24
Europe	0.18	Slight	0.09 to 0.26	0.28	Fair	0.06 to 0.50	0.40
Other	0.04	Slight	−0.06 to 0.15	0.18	Slight	−0.04 to 0.41	0.28
Years in independent practice
0–5	0.12	Slight	0.09 to 0.15	0.06	Slight	0.00 to 0.13	0.094
More than 5 years	0.16	Slight	0.13 to 0.18	0.16	Slight	0.13 to 0.18	0.94
Fractures per year
0–10	0.17	Slight	0.11 to 0.23	0.22	Fair	0.09 to 0.35	0.47
11–20	0.14	Slight	0.12 to 0.15	0.21	Fair	0.12 to 0.29	0.12
More than 20	0.12	Slight	0.03 to 0.22	0.13	Slight	0.10 to 0.16	0.94