Longitudinal strain, and strain rate in basal, mid-, and apical left ventricle at the septal, lateral (A), inferior, anterior (B), posterior, and anteroseptal (C) walls. Group 1, noncardiac amyloid; group 2, cardiac amyloid without CHF; group 3, CHF(+). *P < 0.0001 vs. group 1; †P < 0.0001 vs. group 2; ‡P < 0.001 vs. group 1; §P < 0.001 vs. group 2; ‖P < 0.01 vs. group 1; #P < 0.01 vs. group 2; **P < 0.05 vs. group 1; ††P < 0.05 vs. group 2; NS, not significant.