Fig 1.
Flow diagram of study.
Fig 2.
Forest plot for mean shock index based on total population.
Table 1.
Summary of included studies reporting shock index, age shock index, modified shock index and age modified shock index and acute heart failure clinical outcomes.
Table 2.
Heterogeneity results of included studies according to shock index, age shock index, and modified shock index.
Fig 3.
Forest plot for mean shock index based on studies reported in-hospital mortality.
Fig 4.
Forest plot for mean shock index based on studies reported follow-up mortality.
Fig 5.
Forest plot for mean shock index based on studies reported death/survival groups.
Fig 6.
Forest plot for standard shock index mean difference based on studies reported death/survival groups.
Fig 7.
Forest plot for shock index (as bivariate variable) odds ratio on in-hospital mortality.
Table 3.
Summary of shock index cut-off characteristics.
Fig 8.
Plots showing the Youden index (A), the calculated ROC (B) and SROC (C) curves of the included studies reporting SI cut-off points for predicting in-hospital mortality. The optimal SI cut-off is indicated by the “+” symbol.
Fig 9.
Forest plot for mean age shock index based on studies reported mortality (in-hospital and follow-up mortality).
Fig 10.
Forest plot for mean age shock index based on studies reported death/survival groups.
Fig 11.
Forest plot for standard age shock index mean difference based on studies reported death/survival groups.
Fig 12.
Forest plot for age shock index (as bivariate variable) odds ratio on in-hospital mortality.
Fig 13.
Plots showing the Youden index (A), the calculated ROC (B) and SROC (C) curves of the included studies reporting ASI cut-off points for predicting in-hospital mortality. The optimal ASI cut-off is indicated by the “+” symbol.
Fig 14.
Forest plot for mean modified shock index based on studies reported mortality (in-hospital and follow-up mortality).
Fig 15.
Forest plot for mean modified shock index based on studies reported death/survival groups.
Fig 16.
Forest plot for standard modified shock index mean difference based on studies reported death/survival groups.
Fig 17.
Summary of acute heart failure prognostic assessment markers.