showed a trendP = 0.12
For severe case-patients from Salvador collected <7 days of onset, the acute-phase sensitivity for DPP (77%, 66–85%) was superior to the 1:00 MAT screening titer (46%, 35–58%; P<0.001) and showed a trend toward superiority over the IgM-ELISA (65%, 54–76%; P = 0.12).