Table 2.

Case (ie, treated) and control numbers of different types of inflammation, cartilage regeneration, and fibrosis grades for each group and week.

Variable	Week	Group	Grade
			0	1	2	3
Inflammation	1	Case	0	0	0	3
		Control	0	0	0	3
	2	Case	0	0	2	1
		Control	0	0	0	3
	4	Case	0	2	1	0
		Control	0	0	3	0
Cartilage regeneration	1	Case	2	1	0	0
		Control	3	0	0	0
	2	Case	0	1	2	0
		Control	1	1	1	0
	4	Case	0	0	1	2
		Control	0	1	2	0
Fibrosis	1	Case	3	0	0	0
		Control	3	0	0	0
	2	Case	2	1	0	0
		Control	1	2	0	0
	4	Case	2	1	0	0
		Control	1	2	0	0