Table 1.
Young | Aging | Two-way ANOVA %, P-value | |||||
---|---|---|---|---|---|---|---|
Sham | DOCA | Sham | DOCA | Interaction | Age | Disease | |
IVSd (mm) | 0.69 ± 0.03 | 1.02 ± 0.05 | 0.67 ± 0.03 | 1.01 ± 0.03 | 0.004%, P = 0.95 | 0.33%, P = 0.56 | 80.6%, P < 0.0001 |
IVSs (mm) | 1.14 ± 0.03 | 1.31 ± 0.04 | 1.04 ± 0.03 | 1.37 ± 0.04∗ | 12.8%, P = 0.052 | 3.8%, P = 0.27 | 26.2%, P = 0.0078 |
LVIDd (mm) | 3.94 ± 0.07 | 3.72 ± 0.16 | 3.85 ± 0.05 | 3.66 ± 0.13 | 0.04%, P = 0.93 | 1.7%, P = 0.53 | 12.3%, P = 0.10 |
LVIDs (mm) | 2.55 ± 0.07 | 2.48 ± 0.16 | 2.68 ± 0.04 | 2.41 ± 0.17 | 2.5%, P = 0.46 | 0.3%, P = 0.81 | 7.5%, P = 0.21 |
LVPWd (mm) | 0.72 ± 0.03 | 0.85 ± 0.04∗ | 0.73 ± 0.02 | 0.88 ± 0.01∗∗ | 1.7%, P = 0.40 | 2.6%, P = 0.31 | 46%, P < 0.0001 |
LVPWs (mm) | 1.12 ± 0.04 | 1.13 ± 0.03 | 0.96 ± 0.04 | 1.21 ± 0.05∗∗ | 19.4%, P = 0.017 | 2.0%, P = 0.41 | 24.1%, P = 0.0086 |
Fractional shortening (%) | 35% ± 2 | 34% ± 3 | 30% ± 2 | 35% ± 3 | 5.5%, P = 0.28 | 3.0%, P = 0.42 | 1.6%, P = 0.56 |
All results are shown as mean ± SEM. Sample size: n = 6 per group for all groups besides aging DOCA (n = 7). Sham vs. DOCA. ∗q < 0.05, ∗∗q < 0.01. LVIDs, left ventricular internal dimension systolic; LVIDd, left ventricular internal dimension diastolic; FS, fractional shortening; LVPWd, left ventricular posterior wall dimension at diastole; LVPWs, left ventricular posterior wall dimension at systole; IVSd, interventricular septal dimension at diastole; IVSs, interventricular septal dimension at systole.