Vertebral Compression Fractures Treated in Acute by Instrumented Kyphoplasty: Early and Mid-Term Clinical and Radiological Results

Table 3

Evolution the grade of disc degeneration (UCLA scale): preoperative and last follow-up.

UCLA grading scale	Preoperative				Last follow-up
	I	II	III	IV	I	II	III	IV
Overlying disc (%)	96.7	3.3	0.0	0.0	79.8	17.9	2.4	0.0
Underlying disc (%)	100.0	0.0	0.0	0.0	95.2	3.6	1.2	0.0