Comparing Thoracic Extensive Laminoplasty (TELP) and Laminectomy in Treating Severe Thoracic Ligamentum Flavum Ossification: A Proposed Novel Technique and Case-Control Study

Table 2

Image evaluation ( or ).

Item	G1	G2	value
Single level,	10	15	0.325
≥2 levels,	49	47
DO or DA,	50	52	0.895
RSCA-1
Preoperation, %			0.703
Postoperation, %			0.913
value	<0.0001	<0.0001	——
Improvement, %			0.681
RSCA-2
Preoperation, %			0.417
Postoperation, %			0.428
value	<0.0001	<0.0001	——
Improvement, %			0.079

Postoperation: postoperation at final follow-up. DO or DA: dural ossification or dural adhesion.