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. 2022 Jan 20;19:19. doi: 10.1186/s12974-021-02339-0

Table 5.

Immunoglobulin class response patterns (ICRPs) in group I

Units Total  ≤ 14 d  > 14 d Acute B/SC subgroup Acute PN/CN/H subgroup
a. Based on QIg > Qlim(Ig)
 3-class reaction Samples 0/99 (0%) 0/71 (0%) 0/19 (0%) 0/58 (0%) 0/12 (0%)
 2-class reaction Samples 0/99 (0%) 0/71 (0%) 0/19 (0%) 0/58 (0%) 0/12 (0%)
  IgG + IgM Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
  IgG + IgA Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
  IgM + IgA Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
 1-class reaction Samples 6/99 (6.1%) 3/71 (4.2%) 1/19 (5.3%) 3/58 (5.2%) 0/12 (0%)
  Only IgG Samples 1/99 (1%) 1/71 (1.4%) 0/19 (0%)
  Only IgM Samples 4/99 (4%) 2/71 (2.8%) 0/19 (0%)
  Only IgA Samples 1/99 (1%) 0/71 (0%) 1/19 (5.3%)
b. Based on Ig-IF > 10%
 3-class reaction Samples 0/99 (0%) 0/71 (0%) 0/19 (0%) 0/58 (0%) 0/12 (0%)
 2-class reaction Samples 0/99 (0%) 0/71 (0%) 0/19 (0%) 0/58 (0%) 0/12 (0%)
  IgG + IgM Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
  IgG + IgA Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
  IgM + IgA Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)
 1-class reaction Samples 5/99 (5.1%) 3/71 (4.2%) 0/19 (0%) 3/58 (5.2%) 0/12 (0%)
  Only IgG Samples 1/99 (1%) 1/71 (1.4%) 0/19 (0%)
  Only IgM Samples 4/99 (4%) 2/71 (2.8%) 0/19 (0%)
  Only IgA Samples 0/99 (0%) 0/71 (0%) 0/19 (0%)

ICRPs have been shown to be of differential diagnostic relevance in various neurological disorders [13, 14, 19, 20, 35]