Table 4

Aggrecan immunoreactivity scores

No degeneration		Moderate degeneration		Severe degeneration
Nucleus pulposus	Annulus fibrosus	Nucleus pulposus	Annulus fibrosus	Nucleus pulposus	Annulus fibrosus
2+	0	1+	0	1+	0
2+++	0	1+	0	0	0
1+	0	2+	0	0	0
3++	0	1+	0	0	0
1+	0	0	0	0	0
1++	0	1+	0	0	0
2++	0	0	0	0	0
2++	0	1+	0	0	0
1+	0	2+	0	0	0