More specimens from the ART-@W group were seronegative than from the ART-Def group by enzyme immunoassay ( ART-@W @ -LSB- @ % -RSB- of @ vs ART-Def eight -LSB- @ % -RSB- of @ ; p < @ ) and rapid antibody test ( @ -LSB- @ % -RSB- of @ vs eight -LSB- @ % -RSB- of @ ; p < @ ) .