Table 2

WHO 1997 criteria for dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS)

Criteria

No.(%) of patients


DHF (fulfilling all 4 criteria):

10 (35.7)

DHF (fulfilling 3 criteria excluding bleeding):

28 (100.0)

Fever

27 (96.4)

Platelet ≤100 × 10^9/L

26 (92.9)

Any bleeding

10 (35.7)

Plasma leakage:

28 (100.0)

Hematocrit change ≥20%

25 (89.3)

Pleural effusion or ascites

13 (46.4)

Hypoproteinemia

25 (89.3)

DSS:

8 (28.6)

DHF, rapid pulse and narrow pulse pressure

5 (17.9)

Rapid pulse >100/minute

26 (92.9)

Narrow pulse pressure <20 mmHg

10 (35.7)

DHF and hypotension

8 (28.6)

Hypotension <90 mmHg

21 (75.0)


WHO = World Health Organization

Leo et al. BMC Infectious Diseases 2011 11:123   doi:10.1186/1471-2334-11-123

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