Table 2. Symptoms/signs associated with dengue in the study participants.

Symptom/sign	Dengue N = 174	Fevers other than dengue N = 677	Chi-square	P-value	Odds ratio	Adjusted odds ratios
Nausea	63 (36.2%)	164 (24.2%)	10.2	0.001	1.78 (1.2–2.5)	0.7 (0.3–1.3)
Vomiting	49 (28.2%)	123 (18.2%)	8.6	0.003	1.77 (1.2–2.6)	1.2 (0.6–2.6)
Abdominal pain	32 (18.4%)	95 (14%)	2.07	0.15
Melena	3 (1.7%)	2 (0.3%)	4.8	0.03	5.92 (1.0–35.7)	3.6 (0.1–89.7)
Petechie	2 (1.1%)	1 (0.1%)	3.95	0.05	NS
Any bleed	7 (4.0%)	12 (1.8%)	3.21	0.07	NS
Lethargy	65 (37.4%)	203 (30.0%)	3.49	0.06	NS
Restlessness	5 (2.9%)	19 (2.8%)	0.002	0.96	NS
Rash symptom	6 (3.4%)	11 (1.6%)	2.35	0.13	NS
Rash sign	3 (1.7%)	8 (1.2%)	0.32	0.57	NS
Headache	134 (77.0%)	503 (74.3%)	0.54	0.46	NS
Retroorbital pain	40 (23.0%)	148 (21.9%)	0.10	0.75	NS
Myalgia	126 (72.4%)	446 (65.9%)	2.68	0.10	NS
Arthralgia	83 (47.7%)	311 (45.9%)	0.17	0.68	NS
No Backache	146 (83.9%)	515 (76.1%)	4.9	0.03	1.6 (1.1–2.6)	2.7 (1.1–6.7)
Any ache	162 (93.1%)	598 (88.3%)	3.3	0.07	NS
Tourniquet test positive	1 (0.6%)	0 (0%)	3.9	0.05	NS
Persistent vomiting	5 (2.9%)	12 (1.8%)	0.86	0.36	NS
Fluid accumulation	0 (0)	4 (0.6)	1.03	0.31	NS
Liver enlargement	1 (0.6)	2 (0.3)	0.31	0.58	NS
Raised hematocrit	8 (4.6%)	27 (4%)	0.13	0.72	NS
Thrombocytopenia(<100 000)	49 (28.2%)	84 (12.4%)	26.05	0.000	2.8 (1.9–4.1)	2.9 (1.6–5.1)
Thrombocytopenia(<150 000)	108 (62.1%)	192 (28.4%)	68.90	0.000	4.1 (2.9–5.9)
Leukopenia (<4000)	65 (39.2%)	78 (12.8%)	60.08	0.000	4.4 (2.9–6.5)	2.3 (1.2–4.3)
Leukopenia (<5000)	85 (48.9%)	153 (22.6%)	47.35	0.000	3.3 (2.3–4.6)
No Cough	17 (25.0%)	35 (11.7%)	8.05	0.005	2.5 (1.3–4.4)	1.8 (0.9–3.6)
Chills	124 (71.7%)	490 (79.8%)	0.81	0.37	NS
No Throat pain	148 (85.5%)	503 (77.1%)	5.79	0.02	1.8 (1.1–2.8)	1.6 (0.8–3.2)

NS: not significant.

Bold signifies those variables which were significant in bivariable analysis.