TABLE 2.

Unadjusted geometric mean concentrations of anti-S. pneumoniae IgA by antibody specificity and laboratory storage method

Storage methodGeometric mean concn (EIA units) of IgA specific for:
CPS 1CPS 5CPS 6BCPS 14PsaA
Snap-freezing2.611.702.294.470.39
Enzyme inhibition1.821.262.032.830.55
Plain1.651.042.112.910.51