Table 2.

WHO Classification 1997 vs 2009.

		Dengue				Severe dengue
		With warning signs		Without warning signs		Yes		No
		N	%	N	%	N	%	N	%
DF/DHF	DF	185	75.5	60	100.0	0	0.0%	245	81.1
	DHF-I	52	21.2	0	0.0	0	0.0%	52	17.2
	DHF-II	7	2.9	0	0.0	2	66.7%	5	1.7
	DHF-III	1	0.4	0	0.0	1	33.3%	0	0.0
DF/DHF overall	DF	185	75.5	60	100.0	0	0.0%	245	81.1
	DHF	60	24.5	0	0.0	3	100.0%	57	18.9