Table 2 Clinical syndromes (tick‐borne encephalitis ELISA positive in all).
| Neurological syndrome | Total (n) | Systemic features of LB (n) | IgM positive for LB (n) | IgG positive for LB (n) | IgM and IgG positive for LB (n) | Systemic features* of LB and IgM positive (n) |
|---|---|---|---|---|---|---|
| Meningitis alone | 15 | 5 | 10 | 11 | 6 | 3 |
| Meningopolyradiculoneuritis | 11 | 8 | 8 | 8 | 5 | 6 |
| Meningomyelitis | 12 | 4 | 10 | 8 | 6 | 4 |
| Meningoencephalitis | 10 | 6 | 6 | 5 | 1 | 4 |
| Febrile illness† | 3 | 2 | 1 | 1 | 0 | 1 |
Ig, immunoglobulin; LB, Lyme borreliosis.
*Systemic features of LB are local erythema, erythema chronicum, migrans, arthralgias, joint swelling, AV block or His bundle block.
†3 patients: migrating limb pain and joint pain; distal polyneuropathy; erythema.