Adjustment for Baseline Level of Dengue Cases Due to Increased Testing in Singapore

How to Cite

Ang, L. W., Lim, C. T. K., Ma, S., Tay, J., & Cutter, J. (2015). Adjustment for Baseline Level of Dengue Cases Due to Increased Testing in Singapore. Online Journal of Public Health Informatics, 7(1).


Dengue is endemic in Singapore, and the most recent epidemic occurred in 2013. The mean of weekly number of dengue cases over a five-year period provides an indication of the baseline level. In view of increased laboratory testing for dengue in 2013, an adjustment was made to the computation of the baseline level for 2014. The assumption for our approach in incorporating an adjustment factor was that the proportion of hospitalizations among laboratory-confirmed cases remained constant between 2012 and 2013. This adjustment has helped to provide a more accurate indication of the baseline level of dengue for 2014.
Authors own copyright of their articles appearing in the Online Journal of Public Health Informatics. Readers may copy articles without permission of the copyright owner(s), as long as the author and OJPHI are acknowledged in the copy and the copy is used for educational, not-for-profit purposes. Share-alike: when posting copies or adaptations of the work, release the work under the same license as the original. For any other use of articles, please contact the copyright owner. The journal/publisher is not responsible for subsequent uses of the work, including uses infringing the above license. It is the author's responsibility to bring an infringement action if so desired by the author.