Table 4

Specificity of the EFNS/PNS and EAN/PNS electrodiagnostic criteria

EFNS/PNS electrodiagnostic criteria
(possible CIDP)
EFNS/PNS electrodiagnostic criteria
(definite or probable
CIDP)
EAN/PNS electrodiagnostic criteria (possible CIDP)EAN/PNS electrodiagnostic criteria (CIDP)
Total, n (%)113/166 (68%)140/166 (84%)146/166 (88%)162/166 (98%)
Extended NCS protocol, n (%)45/69 (65%)58/69 (84%)59/69 (86%)67/69 (97%)
  • CIDP, chronic inflammatory demyelinating polyradiculoneuropathy; EAN/PNS, european academy of neurology/peripheral nerve society; EFNS/PNS, european federation of neurological societies/peripheral nerve society; N, number; NCS, nerve conduction study.