Developing an experimental model of early knee osteoarthritis after medial meniscus posterior root release: an in vivo study

Journal of Experimental Orthopaedics

Table 1 AORSI scores, and comparison between femoral non-weight bearing and the weight bearing area, femur, and tibial articular surfaces

AORSI	Medial femur (non-weight bearing area)^a	Medial femur (weight bearing area)^a	Medial Tibia^a	p-value ^ non-weight bearing vs weight bearing	p-value ^ Femur vs Tibia
Grade	2 (1)	4 (1)	2 (0.5)	< 0.001	0.002
Stage	1 (0)	4 (1)	2 (1)	< 0.001	0.006
Total score	2 (0.5)	16 (7)	6 (3)	< 0.001	< 0.001