Table 5.

Velocity magnitude distribution descriptors, adjusted by heart rate, summary by age and gender group

	Age Groups						Gender
Parameters adjusted by heart rate	9–15 years (n=9)	16–20 years (n=13)	21–39 years (n=27)	40–59 years (n=40)	> 60 years (n=9)	P-value	Men (n=57)	Women (n=41)	P-value
Aortic Valve Peak Velocity (m/s)	1.32±0.07	1.28±0.06	1.07±0.04	1.28±0.03	1.44±0.08	<0.001	1.28±0.03	1.18±0.04	0.043
Incidence (rel. # of aortic voxels >1m/s, %)	18±3	19±2	12±2	6±1	5±3	<0.001	10±1	11±2	0.003
Mean (m/s)	0.74±0.04	0.74±0.03	0.67±0.02	0.61±0.02	0.54±0.04	<0.001	0.64±0.02	0.67±0.02	0.018
Median (m/s)	0.76±0.04	0.75±0.03	0.66±0.02	0.59±0.02	0.51±0.04	<0.001	0.63±0.02	0.67±0.02	0.025
Standard Deviation (m/s)	0.26±0.01	0.24±0.01	0.22±0.01	0.19±0.01	0.23±0.01	<0.001	0.21±0.01	0.22±0.01	0.004
Skewness	−0.20±0.14	−0.10±0.12	0.12±0.08	0.77±0.07	1.35±0.15	<0.001	0.59±0.08	0.20±0.10	0.087
Kurtosis	−0.74±0.37	−0.62±0.31	−0.34±0.23	1.37±0.17	2.96±0.39	<0.001	0.98±0.20	−0.05±0.55	0.101

Adjusted results by heart rate presented using mean ± standard error.