CRP and acute respiratory distress syndrome: As is shown in Figure 1, the funnel plots of pancreatic necrosis, ARDS/ALI, mechanical ventilation, ICU admission, mortality, leucocyte, platelets, and C-reactive protein showed all included studies lay inside the limits of the 95% confidence interval, indicating that there is no serious publication bias (Figures 1(a)–1(g) and Figure 1(i)).