Table 2. Clinical presentations of children aged 2–14 years old.

	Positive N = 127	Negative N = 1357	OR	95% CI	p-value
Fever >37.5, n (%)	80 (63.0)	588 (43.3)	2.22	1.53–3.24	<0.001
Chills, n (%)	37 (29.1)	187 (13.8)	2.57	1.70–3.88	<0.001
Fatigue, n (%)	48 (37.8)	361 (26.6)	1.67	1.15–2.44	0.008
Muscle pain, n (%)	25 (19.8)	152 (11.2)	1.96	1.23–3.13	0.005
Sore throat, n (%)	31 (24.4)	507 (37.4)	0.54	0.36–0.82	0.004
Cough, n (%)	49 (38.6)	657 (48.4)	0.67	0.46–0.97	0.035
Rhinorrhoea, n (%)	58 (45.7)	847 (62.4)	0.50	0.35–0.73	<0.001
Earache, n (%)	4 (3.1)	77 (5.7)	0.54	0.19–1.50	0.238
Respiratory distress, n (%)	5 (3.9)	40 (2.9)	1.36	0.53–3.51	0.526
Wheezing, n (%)	1 (0.8)	33 (2.4)	0.32	0.04–2.35	0.262
Thoracic pain, n (%)	5 (3.9)	26 (1.9)	2.12	0.80–5.61	0.132
Headache, n (%)	65 (51.2)	412 (30.4)	2.4	1.67–3.47	<0.001
Stomach-ache, n (%)	23 (18.1)	244 (18.0)	1.02	0.63–1.63	0.945
Nausea/vomiting, n (%)	14 (11.0)	165 (12.2)	0.89	0.50–1.60	0.705
Diarrhoea, n (%)	10 (7.9)	152 (11.2)	0.68	0.35–1.33	0.263
Ageusia, n (%)	8 (6.3)	32 (2.4)	2.78	1.25–6.17	0.012
Anosmia, n (%)	9 (7.1)	45 (3.3)	2.22	1.06–4.66	0.034
Conjunctivitis, n (%)	5 (3.9)	21 (1.5)	2.61	0.97–7.04	0.058