Preliminary establishment of a spinal stability scoring system for multiple myeloma

Table 2 The expert scores from the second round of the consultations

First-level indices	Second-level indices	mean ± SD	CV%
Location	Junctional	4.87 ± 0.34	0.07
	Mobile	4.47 ± 0.50	0.11
	Semirigid	3.53 ± 0.62	0.17
	Rigid	3.07 ± 0.44	0.14
	Lesion-free	2.47 ± 0.81	0.33
Level of pain	Recalcitrant pain in the corresponding zone (not relieved after chemotherapy) VAS > 7	4.80 ± 0.40	0.08
	Moderate pain in the corresponding zone (not relieved after chemotherapy) VAS 4-7	4.47 ± 0.49	0.11
	Mild pain in the corresponding zone (VAS = 3 after chemotherapy)	3.67 ± 0.48	0.13
	Mild pain during activity (VAS ≤ 2 after chemotherapy) no rest pain	3.20 ± 0.40	0.12
	No pain during activity after chemotherapy	2.67 ± 0.94	0.35
Number of segments	> 3	4.93 ± 0.25	0.05
	3	4.87 ± 0.56	0.11
	2	4.67 ± 0.79	0.17
	1	3.80 ± 0.99	0.26
	No change in morphology	2.73 ± 0.10	0.36
physiological curvature
Lateral radiograph	Physiological curvature of the lesion is abnormal	4.67 ± 0.47	0.10
	Physiological curvature of the lesion is normal	3.00 ± 0.52	0.17
Front radiograph	Scoliosis/rotation	4.80 ± 0.40	0.08
	No scoliosis/rotation	3.00 ± 0.52	0.17
Comorbidities	Spondylolisthesis ( 1 degree)	4.87 ± 0.34	0.07
	Shift/dislocation (0-1degree)	4.53 ± 0.62	0.14
	Herniated disk	3.93 ± 0.44	0.11
	Bone spurs	3.13 ± 0.50	0.16
	Bony fusion	2.80 ± 0.54	0.19
Neurological function	Frankel A	5.00 ± 0.00	0.00
	Frankel B	4.87 ± 0.34	0.07
	Frankel C	4.73 ± 0.44	0.09
	Frankel D	4.07 ± 0.25	0.06
	Frankel E	2.87 ± 0.34	0.12

VAS: Visual analog scale.