Table I.

Composition of the patient group

CasesMatched GroupsAll Controls
nMean age% MalenMean age% MalenMean age% Male
Total15549.7 ± 14.254.815550.9 ± 15.954.834955.6 ± 18.144.4
Stage I2747.1 ± 14.263.02752.1 ± 14.363.0
 ECM2747.1 ± 14.263.02751.4 ± 15.563.0
Stage II4051.7 ± 15.265.04049.0 ± 15.565.0
 MEa3651.2 ± 15.961.13648.3 ± 16.061.1
 MC254.5 ± 5.5100251.5 ± 10.5100
 other258.0 ± 2.0100258.5 ± 1.5100
Stage III8849.0 ± 13.647.78851.3 ± 16.647.7
 LA6846.3 ± 13.750.06847.8 ± 16.550.0
 ACA1557.6 ± 6.033.31564.9 ± 10.133.3
 other559.0 ± 11.360.0558.0 ± 6.960.0
  • a ME, meningoencephalitis; MC, myocarditis; LA, Lyme arthritis.