Table 3.
Publication bias was examined by Egger's linear regression test and Begg and Mazumdar's rank correlation test.
| Parameters | p-value (Egger's test_) | p-value (Begg-Mazumdar's test) |
|---|---|---|
| Sex | 0.063 | 0.126 |
| Age (≥50 vs. <50 years) | 0.116 | 0.835 |
| Age (≥65 vs. <65 years) | 0.926 | 0.891 |
| Any comorbidity | 0.300 | 0.600 |
| Hypertension | 0.953 | 0.992 |
| Diabetes | 0.872 | 0.754 |
| Cerebrovascular disease | 0.207 | 0.656 |
| Cardiovascular disease | 0.731 | 0.683 |
| Respiratory diseases | 0.085 | 0.654 |
| Malignancy | 0.334 | 0.218 |
| Chronic kidney disease | 0.542 | 1.000 |
| Chronic liver disease | 0.751 | 0.779 |
| Fever | 0.035 | 0.819 |
| Cough | 0.125 | 0.977 |
| Fatigue | 0.638 | 0.657 |
| Anorexia | 0.208 | 0.805 |
| Myalgia | 0.793 | 0.563 |
| Dyspnoea | 0.803 | 0.780 |
| Chest tightness | 0.122 | 0.324 |
| Sputum production | 0.813 | 0.513 |
| Haemoptysis | 0.424 | 0.608 |
| Pharyngalgia | 0.675 | 0.543 |
| Diarrhea | 0.305 | 0.762 |
| Nausea | 0.304 | 0.742 |
| Vomiting | 0.287 | 0.472 |
| Abdominal pain | 0.684 | 0.677 |
| Headache | 0.914 | 0.235 |
| Dizziness | 0.164 | 0.531 |
| Sore throat | 0.474 | 0.625 |