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 1

Patients' demographics and characteristics.

Patients		Open Group	Mini-open Group	p Value
		(n = 113)	(n = 96)
Gender				0.480
	Female	49 (43.3%)	37 (38.5%)
	Male	64 (56.6%)	59 (61.5%)
Age		57.7	54.3	0.074
BMI		22.8	21.7	0.005
ASIA grade				0.419
	E	40 (35.4%)	39 (40.6%)
	D	46 (40.7%)	37 (38.5%)
	C	21 (18.6%)	16 (16.7)
	B	4 (3.5%)	3 (3.1%)
	A	2 (1.8%)	1 (1.0%)
Tumor origin				0.952
	Lung	41 (36.3%)	37(38.5%)
	Haematological	27 (23.9%)	19 (19.8%)
	Renal	18 (15.9%)	15 (15.6%)
	Liver	7 (6.2%)	9 (9.4%)
	Prostatic	5 (4.4%)	3 (3.1%)
	Breast	3 (2.7%)	5 (5.2%)
	Gastrointestinal	4 (3.5%)	2 (2.1%)
	Other	8 (7.1%)	6 (6.3%)
Perioperative chemoradiotherapy		33 (29.2%)	25 (26.0%)	0.611
Extraspinal metastasis		79 (69.9%)	56 (58.3%)	0.081

BMI, Body Mass Index.