Summary of the demographic data of all study participants
| CIDP (criteria fulfilled) (n=77) | Clinically suspected CIDP (n=29) | GBS (n=34) | Non-inflammatory NP (n=45) | Healthy controls (n=83) | Other autoimmune diseases (n=16) | |
| Gender | 13 female, 64 male | 10 female, 19 male | 9 female, 25 male | 14 female, 31 male | 40 female, 43 male | 10 female, 6 male |
| Median age (years, range) | 60 (18–83) | 62 (22–83) | 59 (20–82) | 62 (38–79) | 55 (22–82) | 58.5 (24–81) |
| Samples | 16 PE samples, 61 sera | 7 PE samples, 22 sera | 13 PE samples, 21 sera | All sera | All sera | All sera |
| Median duration of disease (months, range) | 54 (0.75–109) | 39 (0.23–336) | 0.37 (0.07–1.5) | 49 (5–480) | – | – |
CIDP, chronic inflammatory demyelinating polyradiculoneuropathy; GBS, Guillain-Barré syndrome; NP, neuropathy; PE, plasma exchange.