Table 2. Interrater reliability estimates for each anatomical location and day of exam.

Measurement	ICC2,2; (95% CI)
Measurement date 1
Mid-substance Image 1	0.90 (0.74–0.97)
Image 2	0.92 (0.79–0.97)
Trochlea Image 1	0.98 (0.93–0.99)
Image 2	0.98 (0.94–0.99)
Measurement date 2
Mid-substance Image 1	0.96 (0.89–0.99)
Image 2	0.93 (0.81–0.98)
Trochlea Image 1	0.94 (0.83–0.98)
Image 2	0.79 (0.42–0.93)
Measurement date 3
Mid-substance Image 1	0.92 (0.78–0.97)
Image 2	0.89 (0.67–0.96)
Trochlea Image 1	0.98 (0.94–0.99)
Image 2	0.96 (0.88–0.99)
Measurement date 4
Mid-substance Image 1	0.90 (0.70–0.96)
Image 2	0.94 (0.83–0.98)
Trochlea Image 1	0.94 (0.82–0.98)
Image 2	0.98 (0.94–0.99)
Measurement date 5
Mid-substance Image 1	0.90 (0.70–0.96)
Image 2	0.86 (0.58–0.95)
Trochlea Image 1	0.91 (0.74–0.97)
Image 2	0.96 (0.88–0.99)

Notes.

Abbreviations

ICC

intraclass correlation coefficient

Values in parentheses are 95% confidence interval.