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Table 3 Sidestream dark field variables

From: A high mean arterial pressure target is associated with improved microcirculation in septic shock patients with previous hypertension: a prospective open label study

  MAP = 65 mmHg Usual MAP P
Small vessel density (vessels/mm2) 11.29 ± 2.18 11.91 ± 2.14 0.129
Total vessel density (vessels/mm2) 12.35 ± 2.29 12.76 ± 2.09 0.227
Small perfused vessel density (vessels/mm2) 10.96 ± 2.98 11.99 ± 2.55* 0.009
Total perfused vessel density (vessels/mm2) 11.34 ± 3.03 12.24 ± 2.55* 0.021
Proportion of small perfused vessels (%) 85 ± 18 92 ± 14* 0.002
Proportion of total perfused vessels (%) 92 ± 18 96 ± 12* 0.029
Small microvascular flow index 2.45 ± 0.61 2.80 ± 0.68* 0.009
Total microvascular flow index 2.70 ± 0.52 3.05 ± 0.51* 0.002
Heterogeneity index of small diameter vessels 0.59 ± 0.32 0.47 ± 0.27 0.145
Heterogeneity index of total diameter vessels 0.36 ± 0.27 0.30 ± 0.19 0.330
  1. *P < 0.05 versus baseline of mean arterial pressure 65 mmHg. MAP, mean arterial pressure. Data presented as means ± SD.