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Table 2 Significant correlations of PBR, MFI, and PPV with laboratory data and acute/critical illness scores

From: Association of sublingual microcirculation parameters and endothelial glycocalyx dimensions in resuscitated sepsis

Variable

PBR

MFI

PPV

CCI (points)

0.39 (0.08 to 0.63)*

CRP (mg/dl)

0.54 (0.26 to 0.74)***

− 0.59 (− 0.76 to − 0.32)***

− 0.61 (− 0.78 to − 0.35)***

Heart rate (pulse/min)

− 0.41 (− 0.64 to − 0.10)**

− 0.46 (− 0.68 to − 0.16)**

IL-6 (ng/ml)

0.45 (0.14 to 0.68)**

MAP (mmHg)

− 0.37 (− 0.62 to − 0.06)*

0.33 (0.01 to 0.58)*

PCT (ng/ml)

0.37 (0.37 to 0.62)*

SIRS score (points)

0.44 (0.14 to 0.67)**

− 0.41 (− 0.65 to − 0.11)**

SOFA score (points)

0.44 (0.14 to 0.67)**

Total serum protein (g/dl)

− 0.39 (− 0.64 to − 0.06)*

0.53 (0.23 to 0.73)***

0.50 (0.20 to 0.72)**

  1. Spearman correlation was used
  2. CRP C-reactive protein, IL-6 interleukin-6, MAP mean arterial pressure, MFI microvascular flow index, PBR perfused boundary region 5–25 μm, PCT procalcitonin, PPV proportion of perfused vessels, SOFA score Sequential Organ Failure Assessment score
  3. *p < 0.05, **p < 0.01, ***p < 0.001