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Table 2 Microcirculation comparison of normotension and hypertension

From: Systemic microvascular rarefaction is correlated with dysfunction of late endothelial progenitor cells in mild hypertension: a substudy of EXCAVATION-CHN1

  Normotension Hypertension t P
Skin capillary density, /mm2
 In the rest state 54.9 ± 4.2 43.5 ± 5.8 13.25 0.0001
 After 2-min VC 57.7 ± 3.9 46.3 ± 7.7 10.95 0.0001
 Absolute increase NCD, % 3.2 ± 7.9 3.0 ± 5.7 0.17 0.86
RCD, %
 OD 57.9 ± 1.5 52.7 ± 2.5 14.82 0.0001
 OS 57.7 ± 1.7 53 ± 3.3 10.5 0.0001
 Mean 57.8 ± 1.6 52.9 ± 2.9 12.28 0.0001
R-NPA, mm2
 OD 0.053 ± 0.022 0.13 ± 0.079 − 7.76 0.0001
 OS 0.051 ± 0.019 0.11 ± 0.062 − 7.52 0.0001
 Mean 0.053 ± 0.026 0.12 ± 0.07 − 7.54 0.0001
  1. VC venous congestion, RCD retina capillary density, R-NPA retinal non-perfused areas, OD oculus dexter, OS oculus sinister, SD standard deviation