Table 2

Comparison of the current (DF/DHF/DSS) and the revised classification in 1962 prospective chart reviews (130 charts with missing information excluded)

DF/DHF/DSS classification by expert reviewer

Revised classification by expert reviewer

Total

Not classifiable

Dengue

Severe Dengue

WS negative

WS positive


Not classifiable

23

(8.6%)

57

(21.3%)

159

(59.3%)

29

(10.8%)

268 (100%)

(13.7% of all)


DF

7

(0.5%)

551

(41.8%)

684

(51.9%)

75

(5.7%)

1317 (100%)

(67.1% of all))


DHF (grades 1 and 2)

2

(0.7%)

8

(2.8%)

240

(83.0%)

39

(13.5%)

289 (100%)

(14.7% of all)


DSS (DHF grades 3 and 4)

0

(0%)

0

(0%)

12

(13.6%)

76

(86.4%)

88 (100%)

(4.5% of all)


Total

32

(1.6%)

616

(31.4%)

1095

(55.8%)

219

(11.2%)

1962 (100%)


* not classifiable = classification was not possible

Barniol et al. BMC Infectious Diseases 2011 11:106   doi:10.1186/1471-2334-11-106

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