Does Comorbidity Increase the Risk of Dengue Hemorrhagic Fever and Dengue Shock Syndrome?

Table 2

Risk of dengue hemorrhagic fever (DHF) in relation to existing comorbidities (𝑛=381).

Comorbidity	Unadjusted estimates			Adjusted estimates*
	OR.	95% CI.	𝑃	OR.	95% CI.	𝑃
Diabetes mellitus
No	1	Reference		1	Reference
Yes	1.05	0.69–1.62	0.79	1.26	0.78–2.03	0.34
Hypertension
No	1	Reference		1	Reference
Yes	0.87	0.57–1.32	0.52	0.93	0.57–1.49	0.76
Ischaemic heart disease (IHD)
No	1	Reference		1	Reference
Yes	1.14	0.66–1.95	0.62	1.52	0.85–2.73	0.15
Bronchial asthma
No	1	Reference		1	Reference
Yes	1.16	0.57–2.34	0.66	1.34	0.62–2.88	0.44
Pulmonary tuberculosis
No	1	Reference		1	Reference
Yes	1.48	0.63–3.49	0.36	1.41	0.57–3.43	0.44
Duration of diabetes Mellitus
<5 years	1	Reference		1	Reference
5–10 years	1.25	0.56–2.80	0.57	2.76	0.77–9.84	0.11
>10 years	1.44	0.58–3.59	0.42	1.86	0.55–6.26	0.31
Duration of hypertension
<5 years	1	Reference		1	Reference
5–10 years	0.98	0.46–2.07	0.96	0.92	0.29–2.91	0.89
>10 years	1.25	0.42–3.56	0.71	0.73	0.14–3.66	0.70

∗Adjusted for age, sex, and duration of illness.