Table 2.
Coefficients From Multivariable Linear Regression Models Estimating the Association Between the Natural Log of mtDNA Heteroplasmy Count and PAD Status by mtDNA Region and Frequency, Adjusting for Age, Sex, Race, and Diabetes Mellitus Status (n=42)
Coefficient | All | All | D‐Loop | Gene Region | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Microheteroplasmy | High Frequency | |||||||||
β (SE) | P Value | β (SE) | P Value | β (SE) | P Value | β (SE) | P Value | β (SE) | P Value | |
(Intercept) | 2.96 (0.19) | <0.001 | 2.84 (0.19) | <0.001 | 0.39 (0.44) | 0.387 | 2.13 (0.22) | <0.001 | 2.34 (0.23) | <0.001 |
PAD | 0.62 (0.20) | 0.003 | 0.58 (0.19) | 0.004 | −0.20 (0.45) | 0.664 | 0.49 (0.23) | 0.037 | 0.72 (0.23) | 0.004 |
Agea | 0.03 (0.12) | 0.815 | 0.05 (0.12) | 0.649 | −0.28 (0.27) | 0.319 | 0.01 (0.14) | 0.925 | 0.08 (0.14) | 0.581 |
Men | 0.12 (0.16) | 0.465 | 0.09 (0.16) | 0.564 | 0.30 (0.38) | 0.427 | −0.15 (0.19) | 0.445 | 0.27 (0.19) | 0.165 |
Black | 0.15 (0.15) | 0.331 | 0.04 (0.15) | 0.785 | 0.76 (0.35) | 0.036 | 0.14 (0.17) | 0.436 | 0.16 (0.18) | 0.387 |
Diabetes mellitus | −0.27 (0.15) | 0.082 | −0.23 (0.15) | 0.132 | −0.05 (0.35) | 0.878 | −0.25 (0.17) | 0.166 | −0.38 (0.18) | 0.041 |
D‐loop indicates displacement loop; and PAD, peripheral artery disease.
Age centered at 70 years and scaled to 10 years.