Table 5.

Overall Interobserver Agreement of Fracture Characteristics by Web-Based Study Platform (MPEG4 video versus DICOM viewer)

	MPEG4 video (n = 47)			DICOM viewer (n = 34)			P value
	Kappaa	Agreement	95% CI	Kappa	Agreement	95% CI
Fracture characteristics
Posteromedial component	0.54	Moderate	0.47–0.61	0.26	Fair	0.16–0.36	<0.001
Lateral component	0.56	Moderate	0.51–0.61	0.48	Moderate	0.43–0.54	0.038
Tibial tubercle component	0.27	Fair	0.24–0.30	0.33	Fair	0.27–0.38	0.073
Tibial spine component	0.49	Moderate	0.47–0.50	0.37	Fair	0.35–0.40	<0.001

^a Interobserver agreement of fracture characteristics among observers that completed the evaluation