Table 1.

Results of intraobserver and interobserver variability tests (15 ankles)

Analysis	Intraobserver		Interobserver
	Medial JSW	Lateral JSW	Medial JSW	Lateral JSW
Coefficients of variation (%)	1.13	4.5	7.30	7.27
Limits of agreement (mm)	−0.11 to 0.16	−0.34 to 0.28	−0.17 to 0.58	−0.52 to 0.62
Minimum detectable change (mm)	0.14	0.31	0.38	0.57

JSW = joint space width.