Table 2: Test-retest reliability of the CDI and the MMS (95% confidence intervals).

	Rater 1		Rater 2
	Test 1	Test 2	Test 1	Test 2
CDI
Flexion	0.94 (0.90-0.96)	0.89 (0.82-0.94)	0.96 (0.94-0.98)	0.96 (0.94-0.98)
Extension	0.87 (0.82-0.93)	0.89 (0.82-0.93)	0.85 (0.76-0.91)	0.91 (0.85-0.95)
MMS
Flexion	0.97 (0.96-0.99)		0.98 (0.97-0.99)
Extension	0.86 (0.77-0.92)		0.84 (0.74-0.90)