Table 3.

Linear best-fit approximations for inter-observer validation data

Description of Test	Slope	Intercept	R2
Varus-valgus, 0 deg varus, 0 deg flexion	0.9873	–0.2507	0.9984
Varus-valgus, 0 deg varus, 90 deg flexion	1.0221	–0.1733	0.9659
Varus-valgus, 10 deg varus, 0 deg flexion	0.9882	–0.2746	0.9971
Varus-valgus, 10 deg varus, 90 deg flexion	1.0215	–0.1699	0.9932
Internal-external, 0 deg flexion	1.0695	–0.1112	0.9888
Internal-external, 90 deg flexion	1.0845	0.0759	0.9919
Anterior-posterior, 0 deg flexion	1.0043	0.9343	0.9944
Anterior-posterior, 90 deg flexion	1.0142	–0.2278	0.9967