Table 3.

 Cycle dependent variation (phase corrected magnitude and delay) of myocardial integrated backscatter data

Variable	Group N (n = 14)	Group S (n = 8)
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)

Data are expressed as mean (SD).

*p<0.05 v group N.