Association between echocardiography utilization and prognosis in patients with cardiac arrest
Nan Zhang, Qingting Lin, Huadong Zhu
Figure 2. The 28-day survival after admission to the ICU for the matched cohorts. The red line (echo=0) represents the survival probability for patients without echocardiography data. The blue line (echo=1) represents the survival probability for patients who underwent echocardiography. ICU: intensive care unit.