Skip to main content
. 2010 Sep 21;10:275. doi: 10.1186/1472-6963-10-275

Table 5.

Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (PNV) of the presumptive diagnosis "dengue" in pre-intervention/intervention period in the 4 trial arms

Training RDTs Training + RDTs Control

Pre-intervention Intervention Pre-intervention Intervention Pre-intervention Intervention Pre-intervention Intervention
Acute dengue among AUF patients (%) 27.3 18.6 18.8 15.0 28.6 21.4 20.5 12.5

Sensitivity (%) 23.1 0.0 3.2 3.3 12.1 30.0 0.0 0.0
95% CI 0.2 - 46.0 - 0 - 9.4 0 - 9.8 3.7 - 20.5 1.6 - 58.4 - -

Specificity (%) 96.2 96.5 93.4 93.5 93.7 90.4 97.1 96.4
95% CI 90.9 - 100 92.6 - 100 89.2 - 97.6 90.3 - 96.8 89.9 - 97.5 85.2 - 95.6 91.4 - 100 92.4 - 100

PPV (%) 60.0 0 10.0 6.7 41.2 20.0 0 0
95% CI 17.1 - 100 - 0 - 28.6 0 - 19.3 17.8 - 64.6 0 - 40.2 - -

NPV (%) 83.3 83.0 80.9 87.5 74.4 94.2 84.6 87.9
95% CI 73.9 - 92.8 75.6 - 90.4 74.7 - 87.0 83.2 - 91.8 68.3 - 80.4 90.0 - 98.4 73.3 - 95.9 81.2 - 94.6