TABLE 5

Serotype specificity and sensitivity of ELISA for DENV NS1 for the detection of NS1 in acute-phase sera

DENV serotypeNo. of serum samples with the following results:Serotype specificity (%)Serotype sensitivity (%)
Positive by RT-PCRTrue positiveTrue negativeFalse positiveFalse negative
DENV117158002100 [80/(0 + 80) · 100]88.2 [15/(15 + 2) · 100]
DENV219188001100 [80/(0 + 80) · 100]94.7 [18/(18 + 1) · 100]
DENV316128004100 [80/(0 + 80) · 100]75 [12/(12 + 4) · 100]
DENV4968003100 [80/(0 + 80) · 100]66.6 [6/(6 + 3) · 100]