Table 3.

Multiple linear regression analysis with distance walked in 6MWT as the dependent variable

Variable	Coefficient B	95% CI	P-value
Constant	419.214	221.3–617.1	<0.001
Age (years)	−2.788	−4.34 to −1.23	0.001
ABI	131.386	26.2–236.49	0.001
IC (0= yes, 1= no)	34.737	3.50–65.96	0.029

Note: R²_adjusted=0.147.

Abbreviations: 6MWT, 6-minute walk test; ABI, ankle–brachial index; CI, confidence interval; IC, intermittent claudication.