Table 4.

Inter- and intra-rater reliability for measurements of the knee in the MRI (quadriceps, patella, semitendinosus, gracilis tendon and ACL)

	Inter-rater reliability (95% CI)	Intra-rater reliability (95% CI)
QT-Thickness	0.946 (0.92–0.964)	0.999 (0.998–1.000)
PT-Thickness	0.924 (0.888–0.949)	0.997 (0.993–0.999)
ST-CSA	0.993 (0.990–0.995)	0.990 (0.978–0.996)
GT-CSA	0.979 (0.97–0.986)	0.978 (0.95–0.99)
ACL-length	0.964 (0.947–0.976)	0.979 (0.951–0.991)
tibial insertion site	0.877 (0.818–0.917)	0.945 (0.875–0.976)
femoral insertion site	0.913 (0.872–0.941)	0.964 (0.918–0.984)