Table 1. Predictors included in each scoring system for spinal metastatic disease.

Score	Harrington	Tokuhashi	Bauer	Modified Bauer	Tomita	Katagiri	Sioutos	Revised Tokuhashi	van der Linden	ORI	Bollen	Revised Katagiri	NESMS	SORG Nomogram and Classic	SORG ML
Year	1986	1990	1995	–	2001	2005	2005	2005	2005	2013	2014	2014	2015	2016	2019
Demographics
Age														X
Body mass index															X
History and exam
Pain	X
Performance/functional status		X				X		X	X	X	X	X		X	X
Neurologic deficit	X						X								X
Previous systemic therapy						X						X		X	X
Ambulatory status													X
Severity of comorbid disease															X
Pathology
Primary tumor histology		X	X	X	X	X	X	X	X	X	X	X	X	X	X
Imaging
Visceral metastasis		X	X	X	X	X		X	X		X	X	X	X	X
Number of vertebral metastases		X					X	X						X	X
Brain metastasis						X					X	X		X	X
Bone metastasis		X	X	X	X	X		X				X	X
Spinal tumor location
Pathologic fracture/vertebral instability	X		X
Laboratory data
White blood cell												X		X
Hemoglobin/hematocrit												X		X	X
Platelet												X			X
Absolute lymphocyte															X
Absolute neutrophil															X
NLR															X
PLR															X
Albumin												X	X		X
Alkaline phosphatase															X
Creatinine															X
Bilirubin												X
C-reactive protein												X
Lactate dehydrogenase												X
INR															X

INR, international normalized ratio; NESMS, New England Spine Metastasis Score; NLR, absolute neutrophil to lymphocyte ratio; ORI, Oswestry Risk Index; PLR, platelet to lymphocyte ratio; SORG, Surgical Outcomes Research Group.