Preliminary establishment of a spinal stability scoring system for multiple myeloma

Table 9 Results of the multiple myeloma spinal stability scoring system and Spinal Instability Neoplastic Score by R-R paired chi-square test

	SINS					McNemar-Bowker	P value
MM		Stable	Potentially unstable	Unstable	Total	38.105	0.000
	Stable	5	37	3	45
	Potentially unstable	1	21	3	25
	Unstable	0	1	1	2
	Total	6	59	7	72

SINS: Spinal Instability Neoplastic Score; MM: Multiple myeloma.