Table 2.
Additional parameters of flow-mediated dilation test
| Composite Outcome (ICU, Mechanical Ventilation, or Death) |
||||
|---|---|---|---|---|
| All Participants | No | Yes | P Value | |
| n | 211 | 123 | 88 | |
| Baseline diameter, mm | 4.43 ± 0.80 | 4.36 ± 0.79 | 4.53 ± 0.79 | 0.076 |
| Peak diameter, mm | 4.67 ± 0.80 | 4.60 ± 0.80 | 4.77 ± 0.80 | 0.069 |
| FMDabs, mm | 0.24 ± 0.14 | 0.24 ± 0.14 | 0.24 ± 0.14 | 0.735 |
| Time to peak, s | 84.59 ± 43.26 | 79.33 ± 41.4 | 91.94 ± 44.95 | 0.093 |
| Peak blood velocity, cm/s2 | 3.84 ± 0.56 | 3.84 ± 0.58 | 3.85 ± 0.54 | 0.906 |
| VRH, cm | 7.92 ± 0.70 | 7.83 ± 0.72 | 8.04 ± 0.64 | 0.124 |
Values are means ± SD. FMDabs, absolute flow-mediated dilation; peak blood velocity, peak blood velocity during postocclusive reactive hyperemia; time to peak, time to peak dilation; VRH, area under the curve of the blood velocity across the 3 min of postocclusive reactive hyperemia.