Table 7.

Variables Independently Related to the Difference in Medians between the Study Group and the Reference Group for the Physical Component Score (ΔPCS) in Multivariable Median Regression, Adjusted for Sex and Age

Variable	Coefficient	95% CL	p-value
Exertional dyspnea	−12	−15, −8.0	< 0.0005
Joint pain	−9.2	−13, −5.0	< 0.0005
Angina pectoris	−7.1	−12, −2.2	0.003
Exertional calf pain	−6.1	−10, −2.1	0.013

Standardized (β) coefficients with bootstrapped (n = 1000 repetitions) standard errors were used for confidence limits. CL indicates confidence limits.