[Retracted] Observation on the Effect of MRI Image Scanning on Knee Pain in Football Injury

Table 4

Statistical table of grading of knee articular cartilage, meniscus, and tendon lesions in experimental group and control group (cases).

		Level 0	Level 1	Level 2	Level 3	Level 4	value
Articular cartilage	Test group	158	12	9	3	4	0
	Control group	179	2	3	2	0
Meniscus	Test group	90	11	12	11	—	0
	Control group	109	3	3	9	—
Tendon or ligament	Test group	—	52	13	—	—	—
	Control group	—	35	9	—	—