Pretreatment clinical characteristics of patients with Lyme arthritis.
| Characteristic | N = 99 |
|---|---|
| Age, mean (range), yrs | 9.6 (2–18) |
| Male/female | 68/31 |
| Characteristics of early disease | |
| Erythema migrans, no. | 6 |
| Flu-like illness, no. | 28 |
| Arthritis as presentation, no. | 90 |
| Fevers, no. | 30 |
| Neurologic involvement, no. | 3 |
| Characteristics of arthritis | |
| Joint count, median (range) | 1 (1–6) |
| Duration of arthritis prior to antibiotic therapy, median (range), wks | 2 (0–52) |