Variable
Included in the Meta-analysis (n=9) Estimate (95% CI)
Age,y 47.91(47.70,48.12)
Sex (%)
Male 0.58(0.52,0.63)
Female 0.42(0.40,0.45)
Chronic medical illness (%)
Respiratory system disease 0.01(0.01,0.02)
Cardiovascular disease 0.08(0.03,0.17)
Malignant tumour 0.02(0.01,0.04)
Digestive system disease 0.05(0.03,0.09)
Endocrine system disease 0.09(0.07,0.10)
Hypertension 0.14(0.07,0.24)
Signs and symptoms (%)
Fever 0.89(0.81,0.94)
Cough 0.74(0.59,0.84)
Fatigue 0.44(0.31,0.59)
Shortness of breath 0.31(0.17,0.51)
Headache 0.14(0.09,0.22)
Diarrhoea 0.08(0.04,0.17)
Muscle ache 0.30(0.20,0.42)
Sore throat 0.03(0.00,0.19)
Complications (%)
Shock 0.03(0.01,0.07)
ARDS 0.11(0.05,0.22)
AKI 0.02(0.01,0.04)
Acute cardiac injury 0.05(0.01,0.17)
Chest x-ray and CT findings (%)
Bilateral pneumonia 0.79(0.69,0.87)
Unilateral pneumonia 0.11(0.04,0.27)