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. 2021 Jan 14;8:561264. doi: 10.3389/fpubh.2020.561264

Table 3.

Meta-analysis outcomes of clinical features.

Clinical features Number of studies Number of patients Heterogeneity OR (95%CI) P-value
I2(%) p-value
Abdominal pain 3 342 0 0.67 7.5 (2.4, 23.4) 0.0005
Anorexia 3 342 43 0.17 2.8 (1.5, 5.1) 0.0009
Chest tightness 2 184 0 0.72 0.7 (0.2, 2.4) 0.55
Cough 20 3,267 8 0.36 1.4 (1.2, 1.7) 0.0002
Diarrhea 13 2,552 56 0.007 2.3 (1.3, 4.9) 0.005
Dyspnea 13 2,590 72 < 0.00001 6.2 (3.6, 10.6) < 0.00001
Expectoration 14 2,367 51 0.01 1.7 (1.2, 2.6) 0.009
Fatigue 13 2,436 62 0.002 2.1 (1.3, 3.3) 0.002
Fever 45 0.02 1.5 (1.2, 1.9) 0.0005
Headache 12 2,480 0 0.94 1.1 (0.8, 1.6) 0.48
Hemoptysis 3 1,273 0 0.77 4.0 (1.5, 11.3) 0.008
Myalgia 8 1,773 67 0.006 1.6 (0.8, 3.1) 0.15
Nausea or vomiting 5 1,602 44 0.9 0.9 (0.6, 1.5) 0.66
Pharyngalgia 9 2,005 54 0.03 1.2 (0.5, 2.7) 0.69