Comparison of laboratory parameters in mild severe cases and died survived patients with COVID-19: systematic review and meta-analysis.

Background: This study aimed to summarize the available data on the association between the severity of (COVID-19) and routine blood indicators, inflammatory, biochemical parameters and coagulation parameter.

Methods: A literature search was conducted of PubMed, EMBASE, and Web of Sciences, CNKI, WanFang database providing relevant data. Random-effects meta-analysis was used to pool effect sizes.

A systematic review on the application of vascular endothelial growth factors in preeclampsia.

Background: Hypertensive disorders of pregnancy (HDP) is a disease associated with elevated blood pressure during pregnancy, accounting for 5-10% of all pregnancies, which includes: gestational hypertension, preeclampsia (PE), eclampsia, chronic hypertension with superimposed PE and chronic hypertension. PE is the most prevalent type of HDP that seriously threatens the life and health of mothers and infants. In-depth exploration of the pathogenesis can play an early role in predicting the disease.