| |
Group 1
|
Group 2
|
Group 3
|
F(2,375)
|
p-value
|
|---|
|
(20–39 years)
|
(40–59 years)
|
(60–80 years)
|
|---|
|
n = 43
|
n = 44
|
n = 39
|
|---|
|
Qantegrade, mL ± SD
|
|
SVC
|
24.2 ± 6.4
|
24.5 ± 7.6
|
22.0 ± 6.8
|
1.6
|
0.210
|
|
IVC
|
57.2 ± 21.0
|
51.3 ± 18.4
|
45.8 ± 1.6
|
3.8
|
0.025*
|
|
CV
|
81.4 ± 23.3
|
75.9 ± 21.9
|
67.8 ± 17.8
|
4.2
|
0.017*
|
|
Qretrograde, mL ± SD
|
|
SVC
|
0.5 ± 0.6
|
0.2 ± 0.3
|
0.2 ± 0.4
|
4.3
|
0.015*
|
|
IVC
|
0.4 ± 0.6
|
0.1 ± 0.3
|
0.1 ± 0.3
|
4.2
|
0.017*
|
|
CV
|
0.8 ± 1.1
|
0.4 ± 0.5
|
0.4 ± 0.5
|
5.9
|
0.004*
|
|
Qratio (SCV/ICV)
|
0.5 ± 0.2
|
0.5 ± 0.2
|
0.5 ± 0.3
|
0.9
|
0.427
|
|
SV, mL/cycle ± SD
|
|
AAo
|
82.2 ± 20.9
|
73.4 ± 15.6
|
66.5 ± 13.9
|
8.7
|
< 0.001*
|
|
CO, L/min ± SD
|
5.3 ± 1.6
|
4.8 ± 0.9
|
4.4 ± 1.1
|
6.1
|
0.003*
|
|
Qmax systole
|
|
SVC
|
74.2 ± 24.2
|
68.8 ± 20.7
|
59.9 ± 23.4
|
4.1
|
0.02*
|
|
IVC
|
151.1 ± 55.3
|
119.8 ± 49.6
|
100.5 ± 40.7
|
3.7
|
0.02*
|
|
Qmax diastole
|
|
SVC
|
36.4 ± 18.8
|
37.5 ± 12.3
|
31.5 ± 15.7
|
11.2
|
< 0.001*
|
|
IVC
|
109.1 ± 45.9
|
90.0 ± 31.2
|
71.3 ± 30.8
|
10.8
|
< 0.001*
|
- Qantegrade flow rate (ml/min) in antegrade direction, Qretrograde flow rate (ml/min) in retrograde direction, Qratio ratio of total flow in SVC and IVC, SV stroke volume, CO cardiac output, Qmax systole maximum flow in systole, Qmax diastole maximum flow in diastole; *Significant
