Table 1 Summary of physiological parameters derived from dynamic oximetry and velocimetry.
Age (yrs) | Washout (± 2.5 sec) | Upslope (± 0.2%HbO2/sec) | Overshoot (± 3%HbO2) | ΔQmax ± 0.5 | Tff (± 1 sec) | TTP (± 1 sec) |
|---|---|---|---|---|---|---|
Old (59 ± 7.3 yrs) | ||||||
58 | 27.5 | 0.49 | 2 | 3.8 | 28 | 20 |
55 | 22.5 | 0.78 | 7 | 10.4 | 25 | 16 |
56 | 12.5 | 1.9 | 7 | 8.3 | 30 | 16 |
55 | 17.5 | 0.9 | 10 | 13.8 | 15 | 14 |
72 | 17.5 | 1.3 | 10 | 5.9 | 26 | 17 |
59.2 ± 7.3 | 19.5 ± 5.7 | 1.07 ± 0.55 | 7.2 ± 3.3 | 8.44 ± 3.9 | 24.8 ± 5.8 | 16.6 ± 2.2 |
Young (26 ± 1.6 yrs) | ||||||
25 | 17.5 | 1.2 | 13 | 9.2 | 22 | 14 |
26 | 17.5 | 1.8 | 25 | 12 | 25 | 14 |
26 | 12.5 | 1.8 | 30 | 12.5 | 30 | 11 |
25 | 12.5 | 1.9 | 25 | 7.7 | 20 | 11 |
29 | 12.5 | 1.9 | 20 | 6.65 | 25 | 14 |
26.2 ± 1.6 | 14.5 ± 2.7 | 1.72 ± 0.29 | 22.6 ± 6.4 | 9.61 ± 2.6 | 24.4 ± 3.8 | 12.8 ± 1.64 |
*p-value | 0.127 | 0.058 | 0.003 | 0.592 | 0.9 | 0.017 |