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. 2021 Feb 8;16(2):e0246636. doi: 10.1371/journal.pone.0246636

Fig 1. Comparisons of microcirculatory flow index (MFI), total vessel density (TVD), perfused vessel density (PVD), proportion of perfused vessel (PPV), De Backer score (DBS) and heterogeneity index (HI) in severe group and critical group.

Fig 1

*: P value <0.05 between groups comparisons using Mann-Whitney U test.