evaluating the association between blood pressure and mortality in covid-19 pneumonia: a systematic review and meta-analysis

This research sudy evaluates the association between blood pressure and mortality during the covid-19 epidemic. a software program was employed to manage electronic titles. the 95%confidence interval for the risk ratio, fixed effect method, and mantel–haenszel formula were calculated. meta- analysis in the present study was performed using stata 16 software. the risk ratio of high blood pressure between poor and good outcomes was 0.73 (rr, 0.73 95 % ci 0.63, 0.83). this result showed high blood pressure had a statistically significant association with increased composite poor outcomes. meta-analysis showed an association between high blood pressure and increased mortality, acute respiratory distress syndrome, severe covid- 19, icu care, and disease progression.