Body mass index and vitamin D level in carpal tunnel syndrome patients

Table 4 Correlation coefficient of variables with serum levels of vitamin D

Variable		Vitamin D level (ng/ml)
Variable		R	p value
Body mass index		− 54	0.01*
Boston Questionnaire Scores	Pain sum score	− 43	0.03*
	Symptom severity score (SSS)	− 17	0.14
	Functional status score (FSS)	− 21	0.06
Median nerve electrophysiological parameters	Compound muscle action potentials amplitude	+ 17	0.73
	Motor conduction velocity	+ 35	0.02*
	Distal motor latency	− 53	0.01*
	Sensory nerve action potentials amplitude	+ 11	0.55
	Median nerve peak latency	− 13	0.24