Table 2 Hemodynamics parameters (subdivided into groups according to the age)
Age group | 40~49 | 50~59 | 60~69 | ≧70 | p value for trend |
|---|---|---|---|---|---|
n | n = 137 | n = 356 | n = 445 | n = 298 | |
Central | |||||
SBP (mmHg) | 107.0 (16.2) | 112.5 (13.9) | 118.0 (15.5) | 121.6 (14.9) | <0.001 |
DBP (mmHg) | 74.3 (12.5) | 77.8 (10.2) | 78.8 (10.6) | 77.5 (9.7) | <0.024 |
PP (mmHg) | 33.6 (7.1) | 35.5 (7.4) | 40.1 (8.7) | 45.3 (9.9) | <0.001 |
Brachial | |||||
SBP (mmHg) | 120.2 (17.3) | 125.3 (15.1) | 131.2 (16.8) | 134.6 (16.5) | <0.001 |
DBP (mmHg) | 73.3 (12.5) | 76.8 (10.2) | 77.5 (10.5) | 76.1 (9.7) | 0.70 |
PP (mmHg) | 41.2 (9.1) | 43.7 (11.7) | 48.9 (11.7) | 53.4 (12.6) | <0.001 |
MAP (mmHg) | 90.9 (14.3) | 95.0 (12.4) | 98.4 (13.6) | 99.9 (12.5) | <0.001 |
Heart rate (bpm) | 69 (9.7) | 69 (10.3) | 66 (10.2) | 66 (10.3) | <0.001 |
pf (mmHg) | 28.8 (7.1) | 28.1 (6.6) | 30.2 (6.9) | 34.5 (8.7) | <0.001 |
pb (mmHg) | 14.5 (3.1) | 15.4 (3.3) | 17.7 (3.8) | 19.5 (4.4) | <0.001 |
CFPWV (m/s) | 9.4 (1.9) | 10.8 (2.4) | 12.4 (3.1) | 15.2 (4.4) | <0.001 |
Aortic flow-pressure | |||||
Zc (dyne·s/cm5) | 102.3 (32.2) | 89.6 (31.6) | 90.8 (38.4) | 104.7 (50.7) | 0.027 |
SVR (dyne·s/cm5) | 1782.0 (551.4) | 1685.2 (435.7) | 1683.7 (441.9) | 1664.0 (543.7) | 0.06 |
Mean flow (ml/s) | 63.4 (16.6) | 69.6 (19.7) | 70.7 (17.4) | 73.7 (20.6) | <0.001 |
normalized Zc | 0.06 (0.02) | 0.05 (0.02) | 0.05 (0.02) | 0.06 (0.02) | <0.001 |
Carotid flow-pressure | |||||
CCI (dyne·s/cm5) | 2060.2 (520.5) | 2198.2 (708.0) | 3183.0 (1030.9) | 3328.3 (1154.5) | <0.001 |
CVR (dyne·s/cm5) | 9421.3 (2472.4) | 9860.9 (2049.4) | 11879.2 (2612.3) | 12347.4 (3022.2) | <0.001 |
Mean flow (ml/s) | 13.2 (2.5) | 13.1 (2.3) | 11.2 (2.2) | 10.9 (2.2) | <0.001 |
normalized CCI | 0.22 (0.05) | 0.23 (0.06) | 0.27 (0.08) | 0.27 (0.08) | <0.001 |