Gastrointestinal Bleeding in COVID-19 Patients: A Systematic Review with Meta-Analysis

Figure 3

Funnel plot visual to asymmetry due to the “small sample size” effect after removing outlier’s studies. SE of ES: standard error of estimated proportion/prevalence; ES: estimated proportion/prevalence; dotted black line: the line of pseudo 95% confidence limits; solid black line: the line of overall effect; and blue point: each study included.