Table 3.
Summary of parameters varied simultaneously in sensitivity analysis, Malaysia*
| Parameter | Best estimate | Sensitivity analysis on parameter | Source or reference | |||
|---|---|---|---|---|---|---|
| Distribution | Minimum | Central | Maximum | |||
| EF of hospitalized cases (public sector) | 1.30 | Triangular | 1.00 | 1.30 | 2.00 | Delphi, round 2 |
| EF of hospitalized cases (private sector) | 2.45 | Triangular | 1.30 | 2.45 | 5.00 | Delphi, round 2 |
| Proportion of ambulatory treatment of dengue | 0.58 | Triangular | 0.30 | 0.58 | 0.95 | Delphi, round 2 |
| Bed-day cost hospitalized dengue (public sector) | 219.16 | Triangular | 209.19 | 215.84 | 219.16 | 7, 43, 44 |
| Visit cost ambulatory dengue (public sector) | 41.96 | Triangular | 41.96 | 46.50 | 55.59 | 7, 43, 44 |
| Days lost per episode (hospitalized) | 16.2 | Normal | NA | 16.2 (mean) | 0.59 (SE) | 7 |
| Days lost per episode (ambulatory) | 11.2 | Normal | NA | 11.2 (mean) | 0.41 (SE) | 7 |
| No. of deaths from dengue | 92 | Poisson | NA | 92 | NA | Ministry of Health† |
*
EF = expansion factor; NA = not applicable; SE = standard error. Our cost estimates were derived using only the best estimate for these parameters.
†
No. deaths correspond to reported deaths in 2009 (Ministry of Health Malaysia, unpublished data).