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. 2020 May 27;20:164. doi: 10.1186/s12876-020-01315-x

Fig. 1.

Fig. 1

Flowchart of current study. A total of 500 unique acute pancreatitis patients was retrospectively collected. Ten were excluded for the reason of age less than 18 years when admission, 14 for ICU stay less than 24 h, 5 for insufficient data and 166 acute pancreatitis patients were finally enrolled in this study for further analysis