Table 1.
Explanatory variables used in the different BRT models.
Table 2.
Characteristics of the samples used in each part of the study.
Fig 1.
Detection of DENV RNA by qRT-PCR in plasma, urine and saliva specimens.
Percentage of plasma, urine and saliva specimens that tested positive for DENV RNA, by day of sampling after onset of fever. (n = 144 patients for plasma, 118 for urine and 144 for saliva).
Table 3.
Results of viral genome and NS1 protein detection in saliva, urine and plasma samples collected from the same patients at the same time-points by time of sampling after onset of fever.
Percentage of positivity (number of positive samples/total number of samples tested).
Fig 2.
Mean viral load measured by qRT-PCR in plasma, urine and saliva.
Fig 3.
Positivity rates of NS1 protein detection in plasma, urine and saliva.
Percentage of samples that tested positive for NS1 protein by capture ELISA in urine, saliva and plasma, by day of sampling after onset of fever (n = 193, 197 and 217 patients with a confirmed dengue infection included for NS1 detection in urine, saliva and plasma, respectively).
Fig 4.
Detection of anti-DENV antibodies in plasma, urine and saliva.
Percentage of samples that tested positive by MAC-ELISA (A), AAC-ELISA (B) and IgG indirect ELISA (C) in urine, saliva and plasma samples according to time after onset of fever (D for day, W for week and M for month).
Fig 5.
Partial dependence plots for the most influential variables explaining viral genome detection in plasma, urine and saliva.
Table 4.
Results of the Boosted Regression Trees analysis for the detection of viral genome in plasma, urine and saliva.
Fig 6.
Partial dependence plots for the most influential variables explaining NS1 antigen detection in plasma, urine and saliva.
Table 5.
Results of the Boosted Regression Trees analysis for the detection of NS1 antigen in plasma, urine and saliva.
Fig 7.
Partial dependence plots for the most influential variables explaining anti-DENV antibodies detection in plasma, urine and saliva.
Table 6.
Results of the Boosted Regression Trees analysis for the detection of anti-DENV antibodies in plasma, urine and saliva.