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Table 4 Inter-observer agreement when determining nerve fiber density in skin biopsies of SFN patients using LDT

From: Automated PGP9.5 immunofluorescence staining: a valuable tool in the assessment of small fiber neuropathy?

 

ICC

IENF

0.97

 IENF_Si

0.98

 IENF_Br

0.93

IENF_F

0.99

 IENF_FSi

0.99

 IENF_FBr

0.97

Total ENF

0.99

  1. ENF epidermal nerve fiber GS-EFNS: gold standard method according to EFNS, ICC itra-class correlation, IENF intra-epidermal nerve fiber, IENF_Si intra-epidermal nerve fiber crossing dermal-epidermal junction as single fiber, IENF_Br intra-epidermal nerve fiber crossing dermal-epidermal junction as fiber showing branching, IENF_F ierve fiber fragment lying free in epidermis, IENF_FSi ierve fiber fragment lying free in epidermis as single fragment, IENF_FBr nerve fiber fragment lying free in epidermis showing branching, LDT laboratory developed test, SFN small fiber neuropathy