Table 2.

Clinical symptoms observed in patients with COVID-19

Symptom	No. of studies	No. of patients	Heterogeneity		Model	Meta-analysis
			P value	I2 (%)		R (95% CI)	P value
Fever	51	8473	<0.001	95.9	Random	0.784 (0.736 to 0.828)	<0.001
Cough	52	8539	<0.001	97.2	Random	0.583 (0.515 to 0.649)	<0.001
Fatigue	45	7848	<0.001	96.9	Random	0.340 (0.277 to 0.405)	<0.001
Myalgia	37	5625	<0.001	93.0	Random	0.219 (0.177 to 0.264)	<0.001
Headache	34	6414	<0.001	88.5	Random	0.113 (0.089 to 0.140)	<0.001
Diarrhoea	43	7904	<0.001	87.5	Random	0.082 (0.064 to 0.102)	<0.001
Expectoration	33	6408	<0.001	95.8	Random	0.237 (0.185 to 0.294)	<0.001
Dyspnoea	25	3670	<0.001	87.5	Random	0.206 (0.133 to 0.290)	<0.001
Chest tightness	30	5773	<0.001	97.2	Random	0.229 (0.163 to 0.304)	<0.001
Nausea and vomiting	24	4941	<0.001	82.2	Random	0.066 (0.048 to 0.086)	<0.001
Pharyngalgia	31	5947	<0.001	88.7	Random	0.116 (0.090 to 0.145)	<0.001
Rhinorrhoea	13	3111	<0.001	91.2	Random	0.073 (0.042 to 0.113)	<0.001
Anorexia	19	3274	<0.001	96.9	Random	0.229 (0.143 to 0.326)	<0.001
Shivering	16	4394	<0.001	96.8	Random	0.152 (0.090 to 0.228)	<0.001
Asymptomatic	10	878	0.002	66.3	Random	0.054 (0.031 to 0.084)	<0.001