Table 3.

Magnetic resonance imaging, scoring of disc degeneration (Grade 0 (fresh/acute disc): 0, Grade 1 (partially degenerated): 1-3, Grade 2 (black disc): 4-6).

Radiological (MRI) parameters	Score 0	Score 1	Score 2
Height loss	0 (none)	1 (mild/moderate)	2 (severe)
Osteophyte formation	0 (none)	1 (mild/moderate)	2 (intense)
Endplate sclerosis	0 (none)	1 (mild/moderate)	2 (severe)