Is Total Serum Nitrite and Nitrate (NOx) Level in Dengue Patients a Potential Prognostic Marker of Dengue Hemorrhagic Fever?

Table 3

Comparison of clinical signs and symptoms of the disease in mild DF and severe DHF patients on admission.

Clinical signs and symptoms (%)	Percentage positivity (%)
	DF ()	DHF ()
Headache	89.5	95.4
Retroorbital pain	58.3	69.3
Nausea/vomiting	72.7	75.5
Rash	6.6	13.1
Abdominal pain	29.3	48.0
Sore throat	18.2	28.5
Lethargy	82.5	89.4
Myalgia	84.6	91.8
Arthralgia	85	88.1
Red eyes	25.8	20.9
Ecchymosis/bruising	2.3	1.6
Bleeding	8.7	15.9

comparison between DF and DHF (Fisher exact test). Comparisons with significant differences are given in bold font.