Clinical features
| Electrodiagnosis | AMAN | AIDP | p Value | |||
|---|---|---|---|---|---|---|
| (n = 44) | (n = 33) | |||||
| AIDP, acute inflammatory demyelinating polyneuropathy; AMAN, acute motor axonal neuropathy; IVIG, intravenous immunoglobulin; URTI, upper respiratory tract infection. | ||||||
| Age (y) (mean (SD)) | 37 (18) | 44 (18) | NS | |||
| Sex (M:F) (n) | 26:18 | 20:13 | NS | |||
| Antecedent infection (n (%)) | ||||||
| Enteritis | 23 (52%) | 1 (3%) | <0.001 | |||
| URTI | 16 (36%) | 20 (61%) | 0.03 | |||
| Hughes grade at nadir (n (%)) | ||||||
| 1 | 2 (5%) | 2 (6%) | ||||
| 2 | 16 (36%) | 9 (27%) | ||||
| 3 | 4 (9%) | 7 (21%) | ||||
| 4 | 18 (41%) | 5 (15%) | ||||
| 5 | 4 (9%) | 9 (27%) | ||||
| 6 | 0 (0%) | 1 (3%) | ||||
| Median/mean (range) | 3.5/3.1 (1 to 5) | 3.0/3.4 (1 to 6) | NS | |||
| Treatment (n (%)) | ||||||
| IVIG | 13 (30%) | 11 (33%) | NS | |||
| Plasmapheresis | 21 (48%) | 14 (42%) | NS | |||
| None | 10 (23%) | 8 (24%) | NS | |||