Additive value of magnetic resonance neurography in diagnosis of brachial plexopathy: a cross-section descriptive study

Egyptian Journal of Radiology and Nuclear Medicine

Table 6 Agreement for electromyography and nerve conduction

Electromyography and nerve conduction	MRN diagnosis				χ²	^FEp	Sensitivity	Specificity
	Normal (n = 4)		Abnormal (n = 36)
	No.	%	No.	%
Normal	4	100.0	2	5.6	12.593^*	0.016^*	94.44	100.0
Abnormal	0	0.0	34	94.4
κ(p)	0.773^(0.016^) good agreement
Value of K			Strength of agreement
< 0.20			Poor
0.21–0.40			Fair
0.41–0.60			Moderate
0.61–0.80			Good
0.81–1.00			Very good