Table 1

Clinical, demographic, and serological characteristics of the patients studied

PatientAge (y)/sexDuration of arthritis (months)ELISAImmunoblot (kDa)Previous antibiotic treatment1-150 Previous corticoid treatment
150/male3IgM negIgM: ND ceftriaxone, 2 g for 28 daysintraarticular
IgG posIgG: 93, 60, 41, 39, 31, 29, 21doxycycline, 200 mg for 30 days
251/female2IgM negIgM: NDceftriaxone, 2 g for 21 daysnone
IgG posIgG: 93, 72, 66, 62, 60, 49, 41, 39, 34, 31, 25, 21doxycycline, 200 mg for 35 days
328/female9IgM pos IgG posIgM: 66, 41, 39, 31, 25ceftriaxone, 2 g for 14 daysintraarticular
IgG: 93. 72, 66, 62, 60, 48, 41, 39, 37, 34, 30, 29, 25, 21, 18doxycycline, 200 mg for 30 days
443/female7IgM negIgM: NDceftriaxone, 2 g for 14 dayssystemic
IgG posIgG: 93, 72, 66, 62, 60, 48, 41, 39, 37, 30, 29, 28, 21doxycycline, 200 mg for 30 days
  • 1-150 Antibiotic treatment given before analysis of synovial tissue.ND: not done.