Table II.
Measures of calf muscle hemoglobin oxygen saturation (StO2) in 39 peripheral arterial disease patients with intermittent claudication. Values are means (SD).
| Variables | Values |
|---|---|
| StO2 at rest (% saturation) | 55 (18) |
| Initial Decline Constant (sec-1) | - 0.052 (0.088) |
| Minimum exercise StO2 (% saturation) | 17 (19) |
| Predicted Time to minimum exercise StO2 (sec) | 126 (104) |
| Measured Time to minimum exercise StO2 (sec) | 459 (380) |
| Time Delay in reaching minimum exercise StO2 (sec) | 333 (332) |
| Absolute Drop in StO2 during exercise (% saturation) | 38 (18) |
| Percentage Drop in StO2 during exercise (%) | 72 (28) |
| Average Rate of Decline in StO2 from rest to minimum exercise value (% saturation/sec) | 0.306 (0.519) |
| Recovery Half-Time of StO2 (sec) | 129 (98) |
| Recovery Time of StO2 (sec) | 225 (140) |
| Recovery Time to Maximal StO2 (sec) | 665 (705) |
| Maximum recovery StO2 (% saturation) | 82 (20) |