Table 5. Comparison of chronic diseases in patients with dengue fever and dengue hemorrhagic fever.

Chronic diseases	DFa	DHFb	p-valuec
Hypertension	311(9.5)	15(41.7)	0.00
Diabetes	173(5.3)	8(22.2)	0.00
Stroke	21(0.6)	1(2.8)	0.21
Hyperlipidemia	5(0.2)	1(2.8)	0.06
Arthritis	14(0.4)	2(5.6)	0.01
Asthma	25(0.8)	0(0.0)	1.00
Gout	10(0.3)	0(0.0)	1.00
Anemia	7(0.2)	0(0.0)	1.00
Renal disease	17(0.5)	3(8.3)	0.00
Hepatic disease	68(2.1)	4(11.1)	0.01
Thyroid disease	12(0.4)	2(5.6)	0.01
Stomach disease	18(0.5)	1(2.8)	0.19
Cardiovascular disease	73(2.2)	3(8.3)	0.04

Data is shown as n(%).

^aDF: dengue fever.

^bDHF: dengue hemorrhagic fever.

^cp-value: Fisher’s exact test.