Role of superficial peroneal sensory potential and high-resolution ultrasonography in confirmation of common peroneal mononeuropathy at the fibular neck

Table 4 Correlation between cross-sectional area of the common peroneal nerve at the fibular neck and body mass index as well as common peroneal nerve conduction studies

Variable		Cross-sectional area at the fibular neck (mm²)
Variable		R	p
Body mass index		+ 0.362	0.023^a
Common peroneal motor nerve (NCS)	Distal motor latency	+ 0.172	0.03^a
	Compound muscle action potentials amplitude	− 0.131	0.02^a
	Conduction velocity	− 0.231	0.06
Superficial peroneal sensory nerve (NCS)	Peak latency	+ 0.351	0.01^a
Superficial peroneal sensory nerve (NCS)	Sensory nerve action potentials amplitude	− 0.112	0.04^a