Clinical Features and Laboratory Examination to Identify Severe Patients with COVID-19: A Systematic Review and Meta-Analysis

Table 2

Baseline characteristics of patients in the included studies and meta-analysis.

Characteristics	Prevalence (%)	95% CI
Male	54	50-57
Severe	30	25-35
Symptom
Chest tightness	18	9-28
Cough	59	48-70
Diarrhea	5	3-7
Fatigue	31	20-43
Fever	80	71-88
Headache	8	4-12
Myalgia	20	12-28
Shortness of breath	27	19-34
Sore throat	9	4-15
Sputum production	25	18-31
Comorbidities
Cardiovascular disease	8	5-10
Chronic liver disease	3	2-5
Chronic renal diseases	1	1-1
Chronic respiratory system diseases	1	1-1
Diabetes	9	7-11
Hypertension	19	15-23
Malignancy	2	1-3