. 2022 Feb 21;28(6):865–870. doi: 10.1016/j.cmi.2022.02.014

Table 1.

Clinical characteristics of the 600 study participants suspected of having active COVID-19

	COVID-19 suspected cases (%)	PCR result (%)		Antigen detection result (%)		Positive PCR result (%)
	COVID-19 suspected cases (%)	Positive	Negative	Positive	Negative	Positive antigen	Negative antigen
Fever (>38°C)	33.2	46.2^a	28.5^a	50^a	29^a	41^a	23.3^a
Cough	44.3	51.3^a	41.9^a	53.4^a	42.1^a	43.8^a	30^a
Dyspnoea	10.5	3.8^a	12.9^a	4.2^a	12^a	3.5	1.7
Sore throat	33.7	25.9^a	36.4^a	27.1	35.3	22.2	15
Anosmia	7.3	19^a	3.2^a	18.6^a	4.6^a	15.3	13.3
Ageusia	6.3	16.5^a	2.7^a	16.9^a	3.7^a	13.9	10
Arthromyalgia	32.5	40.5^a	29.6^a	40.7^a	30.5^a	33.3	26.7
Diarrhoea	18.7	17.7	19	16.1	19.3	13.2	15
Thoracic pain	9.3	4.4^a	11.1^a	2.5^a	11^a	2.1	6.7
Headache	56.7	55.1	57.2	57.6	56.4	47.2^a	31.7^a

Frequencies of symptoms are shown, with comparisons of frequencies between patients with detectable and undetectable SARS-CoV-2 RNA, patients with detectable and undetectable antigen, and patients with positive PCR and detectable and undetectable antigen results.

^aStatistically significant difference (p < 0.05).