TABLE 1.
Group | n | No. seropositive | Rha factor | Age (yr)
|
No. with tick bite recall | No. with EMa recall | No. with ACA | No. with NC | No. with arthritis | |
---|---|---|---|---|---|---|---|---|---|---|
Mean | Range | |||||||||
Patients | 71 | 71 | 0 | 46.9 | 15–84 | 35 | 18 | 5 | 30 | 36 |
Controls | 24 | 0 | 0 | 35.4 | 22–42 | 0 | 0 | 0 | 0 | 0 |
Rh factor, rheumatoid factor; EM, erythema migrans; ACA, acrodermatitis chronica atrophicans; NC, neurological complications (such as meningitis and/or neuropathy).