Cycle dependent variation (phase corrected magnitude and delay) of myocardial integrated backscatter data
| Variable | Group N (n = 14) | Group S (n = 8) |
|---|---|---|
| Data are expressed as mean (SD). | ||
| *p<0.05 v group N. | ||
| Magnitude in mid-IVS (dB) | 6.6 (1.2) | 6.0 (0.6) |
| Magnitude in basal IVS (dB) | 6.6 (1.3) | 1.8 (4.4)* |
| Magnitude in mid-PW (dB) | 8.4 (1.4) | 8.4 (1.3) |
| Magnitude in basal PW (dB) | 8.3 (1.3) | 8.3 (1.5) |
| Delay in mid-IVS | 1.0 (0.1) | 1.0 (0.1) |
| Delay in basal IVS | 1.0 (0.1) | 1.3 (0.5)* |
| Delay in mid-PW | 0.9 (0.1) | 0.9 (0.1) |
| Delay in basal PW | 1.0 (0.1) | 1.0 (0.1) |