Table 1. Demographics and baseline characteristics.
|
Total subjects (n=89) |
Male (n=51) |
Female (n=38) |
p valve |
Age (years) |
21.9 ± 1.7 |
22.2 ± 1.9 |
21.5 ± 1.4 |
0.069 |
Height (m) |
1.70 ± 0.09 |
1.74 ± 0.08 |
1.64 ± 0.07 |
< 0.001 |
Weight (kg) |
62.5 ± 10.3 |
66.6 ± 10.0 |
57.1 ± 8.1 |
< 0.001 |
BMI (kg/m2) |
21.5 ± 2.5 |
21.9 ± 2.5 |
21.1 ± 2.4 |
0.149 |
BSA (m2) |
1.72 ± 0.18 |
1.79 ± 0.16 |
1.61 ± 0.14 |
< 0.001 |
Weight loss (sweat volume; kg) |
0.47 ± 0.19 |
0.51 ± 0.18 |
0.40 ± 0.17 |
0.003 |
HR (bpm) |
76 ± 11 |
76 ± 12 |
76 ± 9 |
0.892 |
Peripheral SBP (mm Hg) |
114.0 ± 12.7 |
118.6 ± 13.2 |
107.7 ± 8.7 |
< 0.001 |
Peripheral DBP (mm Hg) |
67.1 ± 9.3 |
67.9 ± 10.9 |
66.0 ± 6.7 |
0.311 |
Peripheral MBP (mmHg) |
82.7 ± 9.1 |
84.8 ± 10.2 |
79.9 ± 6.6 |
0.008 |
Peripheral PP (mm Hg) |
46.9 ± 11.1 |
50.7 ± 12.0 |
41.7 ± 7.2 |
< 0.001 |
Peripheral RPP |
8.68 ± 1.58 |
9.04 ± 1.70 |
8.20 ± 1.28 |
0.013 |
Pulse wave analysis |
AIx@HR75 (%) |
3.4 ± 8.6 |
0.8 ± 7.6 |
7.0 ± 8.8 |
0.001 |
ED (ms) |
278.8 ± 24.7 |
271.6 ± 22.1 |
288.4 ± 25.0 |
0.001 |
ED (%) |
35.3 ± 4.1 |
34.5 ± 4.5 |
36.3 ± 3.2 |
0.038 |
SEVR (%) |
162.7 ± 32.2 |
169.9 ± 36.4 |
153.1 ± 22.7 |
0.014 |
DPTI (mm Hg-sec/min) |
3022.4 ± 411.0 |
3127.8 ± 443.1 |
2881.0 ± 317.2 |
0.004 |
SPTI (mm Hg-sec/min) |
1885.0 ± 272.6 |
1884.1 ± 313.3 |
1886.1 ± 209.9 |
0.971 |
Central SBP (mm Hg) |
96.4 ± 9.6 |
99.1 ± 10.5 |
92.8 ± 6.9 |
0.001 |
Central DBP (mm Hg) |
68.4 ± 9.2 |
69.2 ± 10.8 |
67.2 ± 6.6 |
0.284 |
Central PP (mm Hg) |
28.0 ± 6.5 |
29.9 ± 7.2 |
25.5 ± 4.3 |
0.001 |
Central RPP |
7.35 ± 1.31 |
7.56 ± 1.45 |
7.06 ± 1.05 |
0.072 |
Pulse pressure amplification |
1.7 ± 0.1 |
1.7 ± 0.1 |
1.6 ± 0.2 |
0.040 |
BMI, body mass index; BSA, body surface area; HR, heart rate; SBP, systolic blood pressure; DBP, diastolic blood pressure; MBP, mean blood pressure; PP, pulse pressure; RPP, rate pressure product; Aix@HR75, Augmentation Index standardized for HR at 75 bpm; ED, ejection duration; SEVR, Sub-endocardial viability ratio; DPTI, diastolic pressure-time index; SPTI, systolic pressure-time index. P value is for comparison between male and female.