Metrics | Y | O | NS | S | YNS | YS | ONS | OS | Differences (%) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
O-Y | S-NS | ONS-YNS | YS-YNS | OS-ONS | |||||||||
Dynamic oximetry | |||||||||||||
Overshoot (%HbO 2 ) | 18.5±0.97 | 13.8±0.99 | 17.0±0.97 | 15.2±1.05 | 19.9±1.50 | 17.1±1.28 | 14.0±1.35 | 13.4±1.31 | –25.6*** | –10.7 | –29.4** | –13.7 | –4.4 |
Upslope (%HbO 2 /s) | 3.34±0.17 | 2.43±0.17 | 3.33±0.16 | 2.39±0.18 | 3.74±0.21 | 2.86±0.25 | 2.89±0.24 | 1.94±0.22 | –27.2*** | –28.4*** | –22.7** | –23.6** | –33.0** |
Washout time (s) | 9.53±0.38 | 10.6±0.39 | 9.37±0.37 | 10.8±0.40 | 9.00±0.31 | 10.2±0.51 | 9.77±0.44 | 11.4±0.84 | 11.1 | 15.3** | 8.6 | 13.5* | 16.3 |
Dynamic velocimetry | |||||||||||||
Pulse ratio | 3.09±0.08 | 3.51±0.08 | 3.32±0.08 | 3.28±0.08 | 3.09±0.13 | 3.08±0.10 | 3.55±0.10 | 3.47±0.11 | 13.5*** | −1.2 | 14.9** | −0.5 | −2.5 |
Hyperemic index | 1.16±0.01 | 1.12±0.01 | 1.25±0.01 | 1.01±0.01 | 1.24±0.07 | 1.06±0.08 | 1.27±0.10 | 0.97±0.08 | –3.9 | –19.5** | 2.1 | –14.9 | –23.4* |
Forward flow time-T FF (s) | 33.2±1.66 | 30.8±1.62 | 33.1±1.6 | 30.2±1.68 | 34.7±2.06 | 30.3±2.22 | 31.5±2.35 | 30.2±2.57 | –7.2 | –8.7 | –9.3 | –12.8 | –3.9 |
Pulse-wave velocity (m/s) | |||||||||||||
Aortic arch | 8.16±0.25 | 9.37±0.24 | 8.46±0.25 | 9.16±0.26 | 7.94±0.27 | 8.46±0.35 | 8.98±0.32 | 9.77±0.44 | 14.8*** | 8.2 | 13.1* | 6.5 | 8.8 |
Thoraco-abdominal | 4.87±0.25 | 7.43±0.24 | 6.12±0.28 | 6.31±0.29 | 4.69±0.15 | 5.08±0.17 | 7.53±0.53 | 7.33±0.36 | 52.5*** | 3.0 | 60.7*** | 8.5 | –2.6 |
Iliofemoral | 6.78±0.21 | 8.08±0.21 | 7.31±0.22 | 7.57±0.23 | 6.72±0.24 | 6.79±0.23 | 7.91±0.26 | 8.26±0.43 | 19.2*** | 3.6 | 17.7** | 1.0 | 4.5 |
Total | 5.93±0.13 | 7.54±0.13 | 6.65±0.15 | 6.88±0.16 | 5.80±0.10 | 6.06±0.13 | 7.48±0.20 | 7.60±0.26 | 27.1*** | 3.5 | 29.0*** | 4.4 | 1.6 |