Table 3.
Sidestream dark field variables
| 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 |
*P < 0.05 versus baseline of mean arterial pressure 65 mmHg. MAP, mean arterial pressure. Data presented as means ± SD.