Table 1.

Pretreatment clinical characteristics of patients with Lyme arthritis.

CharacteristicN = 99
Age, mean (range), yrs9.6 (2–18)
Male/female68/31
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), wks2 (0–52)