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Table 1 Mean and (SD), including mean difference and limits of agreement (LA)

From: Sidestream dark field images of the microcirculation: intra-observer reliability and correlation between two semi-quantitative methods for determining flow

 

Run 1 (n = 54)

Run 2 (n = 54)

p

Mean difference (LA)

Capillaries

    

TVD

13.1 (3.3)

13.4 (3.3)

0.06

−0.31 (−2.62 to 2.00)

PVD

11.8 (3.0)

12.2 (3.2)

0.07

−0.36 (−3.20 to 2.47)

PPV

65.1 (10.7)

65.8 (11.3)

0.42

−0.74 (−14.1 to 12.6)

MFI

2.7 (0.3)

2.6 (0.4)

0.01

0.12 (−0.52 to 0.77)

All vessels

    

TVD

16.7 (2.9)

17.0 (2.9)

0.01

−0.37 (−2.53 to 1.79)

PVD

14.5 (2.9)

14.8 (3.0)

0.08

−0.31 (−2.92 to 2.29)

PPV

87.0 (8.1)

87.0 (9.8)

0.97

−0.03 (−10.6 to 10.5)

MFI

2.8 (0.2)

2.7 (0.3)

0.03

0.08 (−0.41 to 0.56)

  1. Data is shown for Total Vessel Density (TVD, mm/mm2), Perfused Vessel Density (PVD, mm/mm2), Proportion of Perfused Vessels (PPV, %) and Microvascular Flow Index (MFI).