| Antigen | Days after immunization | LV end-diastolic diameter (mm) | LV end-systolic diameter (mm) | Fractional shortening (%) | LV ejection fraction (%) | Mean ± SE | Mean ± SE | Mean ± SE | Mean ± SE |
| PBS | 0 | 3.93 ± 0.10 | 2.64 ± 0.10 | 32.9 ± 1.3 | 61.9 ± 1.8 | 20 | 4.12 ± 0.14 | 2.70 ± 0.14 | 34.7 ± 1.5 | 64.2 ± 2.1 | 47 | 4.05 ± 0.10 | 2.66 ± 0.07 | 34.4 ± 1.3 | 64.0 ± 1.8 | 60–69 | 4.25 ± 0.10 | 2.83 ± 0.19 | 33.6 ± 3.2 | 62.3 ± 4.2 |
| Simple main effect for measurement time | (3, 9) = 1.025, = 0.426, partial = 0.255 | (3, 9) = 0.574, = 0.646, partial = 0.161 | (3, 9) = 1.010, = 0.432, partial = 0.252 | (3, 9) = 1.060, = 0.413 , partial = 0.261 |
| Cardiac myosin | 0 | 3.83 ± 0.05 | 2.39 ± 0.09 | 37.5 ± 1.6 | 68.1 ± 2.1 | 20 | 4.12 ± 0.10 | 2.98 ± 0.13 | 27.7 ± 1.8 | 54.0 ± 2.7 | 47 | 4.46 ± 0.12 | 3.46 ± 0.11 | 22.6 ± 0.5 | 45.7 ± 0.9 | 60–69 | 4.48 ± 0.04 | 3.57 ± 0.06 | 20.4 ± 0.9 | 41.7 ± 1.5 |
| Simple main effect for measurement time | (3, 12) = 25.761, < 0.0005, partial = 0.866 | (3, 12) = 37.638, < 0.0005, partial = 0.904 | (3, 12) = 35.975, < 0.0005, partial = 0.900 | (3, 12) = 36.057, < 0.0005, partial = 0.900 |
| VP1u | 0 | 3.71 ± 0.07 | 2.43 ± 0.07 | 34.5 ± 1.7 | 64.1 ± 2.4 | 20 | 4.00 ± 0.06 | 2.77 ± 0.11 | 30.8 ± 20 | 58.7 ± 3.0 | 47 | 4.33 ± 0.09 | 3.26 ± 0.05 | 24.7 ± 1.1 | 49.1 ± 1.8 | 60–69 | 4.39 ± 0.14 | 3.21 ± 0.15 | 26.9 ± 1.5 | 52.6 ± 2.4 |
| Simple main effect for measurement time | (3, 15) = 9.760, < 0.005, partial = 0.661 | (3, 15) = 18.526, < 0.0005, partial = 0.787 | (3, 15) = 13.968, < 0.0005, partial = 0.736 | (3, 15) = 13.707, < 0.0005, partial = 0.733 |
| Two-way interaction between immunization and the time on echocardiographic parameter | (6, 36) = 3.755, < 0.005, partial = 0.385 | (6, 36) = 8.669, < 0.0005, partial = 0.591 | (6, 36) = 9.225, < 0.0005, partial = 0.606 | (6, 36) = 9.460, < 0.0005, partial = 0.612 |
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