Table IV.
Associations between the changes in cardiovascular variables during constant load walking and clinical characteristics of patients with intermittent claudication.
| Variables | Δ SBP (final – 4 min) | Δ HR (final – 4 min) | Δ RPP (final – 4 min) |
|---|---|---|---|
| Continuous variables (values are Pearson correlation coefficients) | |||
| Age | −0.02 | −0.11 | −0.11 |
| Body mass index | 0.03 | 0.18 | 0.16 |
| Peak Oxygen Uptake | −0.20 | 0.17 | −0.05 |
| Ankle-brachial index | −0.14 | −0.02 | −0.10 |
| Ischemic Window | −0.14 | −0.23* | −0.26* |
| HR recovery 1st minute | 0.02 | 0.27* | 0.24* |
| Reactive hyperemic blood flow | 0.11 | 0.08 | 0.12 |
| Large artery elasticity index | 0.05 | 0.01 | 0.02 |
| Small artery elasticity index | −0.13 | 0.10 | −0.02 |
| Time to onset of pain | 0.02 | −0.05 | −0.02 |
| Physical activity | 0.07 | −0.09 | −0.03 |
| Categorical Measures (Values are difference in mean between categories) | |||
| Obesity (non-obese –obese) | −1.80 | −1.70 | −485.01 |
| Hypertension (non hypertense –hypertense) | −0.13 | −1.03 | −146.54 |
| Diabetes (non diabetic –diabetic) | +4.77 | −1.20 | +272.61 |
| B-blockers (no– yes) | +1.62 | +0.51 | +399.03 |
SBP – Systolic Blood pressure; HR – Heart Rate; RPP - Rate pressure product.
*
p<0.05