Table III.
Measures of calf muscle hemoglobin oxygen saturation (StO2) of men and women with intermittent claudication from start of exercise to maximum recovery. Values are means (SD).
| Variables | Men (n = 27) | Women (n = 24) | P Value |
|---|---|---|---|
| StO2 at rest (% saturation) | 59 (18) | 51 (20) | 0.120 |
| Minimum StO2 (% saturation) | 18 (20) | 17 (21) | 0.885 |
| Time to minimum StO2 (sec) | 491 (426) | 226 (241) | 0.010 |
| Absolute Drop in StO2 (% saturation) | 41 (20) | 34 (16) | 0.146 |
| Percentage Drop in StO2 (%) | 72 (28) | 72 (29) | 0.972 |
| Average Rate of Decline in StO2 from rest to minimum exercise value (% saturation/sec) | 0.40 (0.62) | 0.49 (0.48) | 0.553 |
| Recovery Half-Time of StO2 (sec) | 143 (247) | 183 (253) | 0.575 |
| Recovery Time of StO2 (sec) | 201 (206) | 383 (365) | 0.036 |
| Recovery Time to Maximal StO2 (sec) | 618 (258) | 766 (324) | 0.082 |
| Maximum recovery StO2 (% saturation) | 91 (8) | 73 (21) | <0.001 |