Clinical symptom | No. of studies | No. of patients | Heterogeneity | Model | Meta-analysis | ||
P value | I2 (%) | R (95% CI) | P value | ||||
Fever | |||||||
Group 1 | 51 | 8473 | <0.001 | 95.9 | Random | 0.784 (0.736 to 0.828) | <0.001 |
Group 2 | 14 | 2162 | <0.001 | 97.9 | Random | 0.813 (0.667 to 0.924) | <0.001 |
Fatigue | |||||||
Group 1 | 45 | 7848 | <0.001 | 96.9 | Random | 0.340 (0.277 to 0.405) | <0.001 |
Group 2 | 11 | 1971 | <0.001 | 93.9 | Random | 0.366 (0.268 to 0.470) | <0.001 |
Cough | <0.001 | ||||||
Group 1 | 52 | 8539 | <0.001 | 97.2 | Random | 0.583 (0.515 to 0.649) | <0.001 |
Group 2 | 14 | 2162 | <0.001 | 86.6 | Random | 0.640 (0.574 to 0.703) | <0.001 |
Myalgia | <0.001 | ||||||
Group 1 | 37 | 5625 | <0.001 | 93.0 | Random | 0.219 (0.177 to 0.264) | <0.001 |
Group 2 | 10 | 1938 | <0.001 | 91.7 | Random | 0.271 (0.193 to 0.358) | <0.001 |
*Group 1: all patients; group 2: diagnosed before 31 January 2020.