Motor unit number estimation versus compound muscle action potential in the evaluation of motor unit loss in amyotrophic lateral sclerosis

Table 3 Diagnostic sensitivity and specificity of MPS MUNE and CMAP amplitude in ALS patients

Factor	Cut-off	AUC	Sensitivity	Specificity	Upper bound	Lower bound	p value
MUNE CMAP amplitude	180.5 3.4	0.965 0.611	80.8% 30.8%	95% 95%	0.922 0.447	1.000 0.774	0.000* 0.203

AUC area under the curve, MPS MUNE multipoint stimulation motor unit number estimation, CMAP compound muscle action potentials. (Ulnar nerve stimulation and recording from the ADM muscle)