Table 2.
Skin microvascular reactivity parameters assessed with LSCI coupled with PORH
| Parameters | HD patients (n = 38) | PD patients (n = 38) | Controls (n = 38) | P-value Kruskal– Wallis | P-value for pairwise comparisons |
||
|---|---|---|---|---|---|---|---|
| HD versus PD | HD versus controls | PD versus controls | |||||
| Baseline perfusion (LSPU) | 46.97 ± 14.6 | 49.32 ± 18.07 | 42.02 ± 11.94 | 0.097 | |||
| Occlusion perfusion (LSPU) | 12.5 ± 6.1 | 15.25 ± 8.95 | 6.53 ± 4.16 | <0.001 | 0.898 | <0.001 | <0.001 |
| Peak perfusion (LSPU) | 104.77 ± 28.68 | 109.04 ± 40.77 | 116.96 ± 30.96 | 0.238 | |||
| Increase of perfusion from baseline to peak response (%) | 133 ± 66 | 149 ± 125 | 187 ± 61 | 0.001 | 1.000 | 0.002 | 0.004 |
| Time to peak (s) | 7.24 ± 6.99 | 10.68 ± 9.45 | 11.11 ± 5.10 | 0.003 | 0.154 | 0.002 | 0.406 |
| Baseline CVC (LSPU/mmHg) | 0.48 ± 0.16 | 0.48 ± 0.2 | 0.59 ± 0.26 | 0.139 | |||
| Peak CVC (LSPU/mmHg) | 1.05 ± 0.30 | 1.07 ± 0.44 | 1.57 ± 0.52 | <0.001 | 1.000 | <0.001 | <0.001 |
| Increase of CVC from baseline to peak response (%) | 133 ± 66 | 146 ± 126 | 186 ± 63 | <0.001 | 1.000 | 0.003 | 0.005 |
| Amplitude of the PORH response (LSPU/mmHg) | 0.58 ± 0.24 | 0.58 ± 0.41 | 0.98 ± 0.32 | 0.001 | 1.000 | <0.001 | <0.001 |
Values presneted as mean ± SD unless stated otherwise.