Treatment of Spinal Metastases with Epidural Cord Compression through Corpectomy and Reconstruction via the Traditional Open Approach versus the Mini-Open Approach: A Multicenter Retrospective Study

Table 3

Symptoms relief and functional outcomes.

Scores		Preoperation		Postoperation		p Value
		Open Group	Mini-open Group	Open Group	Mini-open Group
VAS		6.0	6.2	2.3	1.7	<0.001
Frankel Grade
	E	59 (52.2%)	47 (49.0%)	75 (66.4%)	51 (53.1%)	<0.001
	D	21 (18.6%)	33 (34.4%)	24 (21.2%)	36 (37.5%)
	C	26 (23.0%)	13 (13.5%)	8 (7.1%)	7 (7.3%)
	B	5 (4.4%)	3 (3.1%)	3 (2.7%)	2 (2.1%)
	A	2 (1.8%)	0 (0.0%)	3 (2.7%)	0 (0.0%)
Karnofsky Score		54.6	54	65.5	63.8	<0.001

VAS, visual analogue score.