Table 1.
Baseline characteristics of subjects
| Variable | Normal (n=228) | Abnormal (n=43) | Total | p† | |
|---|---|---|---|---|---|
| Age (y)* | 50.80 ± 10.22 | 56.75 ± 11.29 | 55.99 ± 11.44 | <0.001 | |
| Height (cm)* | 157.15 ± 5.62 | 156.68 ± 6.32 | 156.08 ± 5.76 | 0.582 | |
| Weight (kg)* | 57.86 ± 8.10 | 59.27 ± 8.41 | 57.69 ± 7.92 | 0.221 | |
| baPWV_Rt (cm/s)* | 1,305.75 ± 272.88 | 1,490.30 ± 364.87 | 1,411.53 ± 322.81 | 0.001 | |
| baPWV_Lt (cm/s)* | 1,320.36 ± 263.80 | 1,504.00 ± 362.40 | 1,426.26 ± 320.66 | <0.001 | |
| baPWV_average (cm/s)* | 1,313.06 ± 264.19 | 1,497.15 ± 359.58 | 1,418.90 ± 319.02 | <0.001 | |
| PYRs* | 11.97 ± 10.95 | 11.20 ± 6.19 | 12.26 ± 13.82 | 0.712 | |
| Preg* | 2.96 ± 2.16 | 2.79 ± 2.11 | 3.10 ± 2.30 | 0.623 | |
| Income (10,000 won) | <100 | 10 (5.3%) | 5 (13.5%) | 198 (13.5%) | 0.194 |
| 100–200 | 28 (14.7%) | 6 (16.2%) | 249 (16.9%) | ||
| 200–300 | 36 (19.1%) | 9 (24.3%) | 251 (17.1%) | ||
| ≥300 | 115 (60.9%) | 17 (46.0%) | 773 (52.5%) | ||
baPWV: brachial-ankle pulse wave velocity, PYRs: packs per years, preg: pregnancy.
*
mean ± SD,
†
p-value by Wilcoxon’s rank sum test for continuous variables or Chi-square test for categorical variables.