Table 3 Anti–basal ganglia antibody (ABGA) ELISA results

GroupNo. of patientsMean ELISA absorbanceSDConfidence levels
SC = Sydenham’s chorea.
Acute SC200.560.260.31 –0.81
Persistent SC160.360.140.18 –0.54
Rheumatic fever160.230.110.12 –0.34
Normal controls110.210.060.17 –0.25