Fig. 3
From: Postoperative mortality among surgical patients with COVID-19: a systematic review and meta-analysis
Forest plot for the subgroup analysis of the prevalence of perioperative mortality among surgical patients with COVID-19 by the urgency of surgery: The midpoint of each line illustrates the prevalence; the horizontal line indicates the confidence interval, and the diamond shows the pooled prevalence. Forest plot for the prevalence of perioperative morbidity among surgical patients with COVID-19: The midpoint of each line illustrates the prevalence; the horizontal line indicates the confidence interval, and the diamond shows the pooled prevalence