Classifying Cervical Spondylosis Based on Fuzzy Calculation

Table 1

CS Symptoms versus Types.

No.	General symptoms	CSR; 0.6593	CSM; 0.1405	VACS; 0.0962	SCS; 0.1040
	X-ray manifestation
1	Vertebral dislocation, slippage	0.0356	0.0347	0.0408	0.0374
2	Physiological curvature became small, stiff, partly recurvatum, and posticous	0.4548	0.4514	0.4490	0.4579
	Intervertebral disc narrow
3	C4-5	0.4607	0.4583	0.4694	0.4579
	C5-6	0.3185	0.3194	0.3163	0.3178
	C6-7	0.3067	0.3056	0.3061	0.3084
	Others	0.0756	0.0764	0.0816	0.0748
4	Intervertebral foramen deformation, diminish	0.7111	0.7083	0.7143	0.7103
5	Osteoproliferation	0.9985	1	1	1
6	Ossification of anterior longitudinal ligament	0.1052	0.1111	0.1010	0.1038
7	Ossification of posterior longitudinal ligament	0.0904	0.0903	0.0909	0.0849
8	Ossification of ligamentum nuchae	0.7748	0.7778	0.7677	0.7830
9	Abnormal position change with ring gear joint and atlantoaxial joint	0.0444	0.0417	0.0404	0.0472
10	Small joint double arc shadow or bilateral shadow behind vertebral body	0.1126	0.1111	0.1111	0.1132

1024 cases in all.