. Author manuscript; available in PMC: 2010 Jul 1.

Published in final edited form as: J Vasc Surg. 2009 Feb 15;50(1):77–82. doi: 10.1016/j.jvs.2008.12.065

Table IV.

Regression model predicting absolute claudication distance of men and women with intermittent claudication.

Variables	Regression Coefficient	Standard Error	Confidence Interval (95%)	Partial R² Adjusted for Other Variables	P Value
Intercept	−157.13	94.42	−347.31 to 33.04	-----	0.103
Ankle-brachial index	244.87	125.42	−7.74 to 497.47	0.078	0.057
Time to minimum calf muscle StO₂	0.56	0.12	0.31 to 0.81	0.311	< 0.001
Average Rate of Decline in calf muscle StO₂ from rest to minimum value	151.29	65.86	18.65 to 283.94	0.105	0.026
Recovery Half-Time of calf muscle StO₂	0.25	0.10	0.05 to 0.45	0.123	0.016

StO₂ = hemoglobin oxygen saturation.