Table 2.

Summary of the MRI findings in both groups.

MRI findings	negative	positive	p value
subchondral low signal band	37.5 (3/8)	51.4 (18/35)	0.48
subchondral articular contour irregularity	39.4 (13/33)	80.0 (8/10)	0.02
meniscal tear/extrusion	42.9 (6/14)	51.7 (15/29)	0.59
soft tissue edema	57.1 (4/7)	47.2 (17/36)	0.63
joint effusion	42.1 (8/19)	54.2 (13/24)	0.43
≥2 bone marrow edema	52.9 (18/34)	33.3 (3/9)	0.3

Numbers represent unfavorable outcome percentage of each MR imaging findings.

Numbers in parenthesis indicate actual number of cases.