From: Evaluation of host and viral factors associated with severe dengue based on the 2009 WHO classification
2009 classification
Clinical intervention level
Total
Level I
Level II
Level III
D–WS
160
17
0
177
D + WS
38
175
213
SD
91
8
99
198
283
489
Sensitivity 100 (63.1–100)
Specificity 81.1 (77.3–84.5)