Table 2 Meta analyzed results of COVID-19 common clinical symptoms (By July 16th, 2020)
| Â | Proportions | 95% Confidence interval | Heterogeneity test, I2 | Heterogeneity test, P Value | Number of studies |
|---|---|---|---|---|---|
Fever | 76.70% | 64.86–85.44% | 99.7% | 0 | 21 |
Cough | 67.76% | 60.06–74.61% | 99.2% | < 0.0001 | 21 |
Olfactory | 40.80% | 20.31–65.08% | 99.4% | 0 | 14 |
Gustatory | 34.52% | 18.83–54.50% | 98.9% | <  0.0001 | 13 |
Dyspnea | 37.49% | 26.20–50.34% | 99.6% | 0 | 19 |
Fatigue | 29.93% | 14.22–52.39% | 99.7% | < 0.0001 | 11 |
Sputum production | 17.85% | 9.25–31.65% | 99.1% | < 0.0001 | 10 |
Sore throat | 16.17% | 10.05–24.98% | 96.9% | < 0.0001 | 9 |
Headache | 15.49% | 7.83–28.33% | 98.7% | < 0.0001 | 12 |