TABLE 1.
Baseline characteristics of the study population.
| IASBPD < 10 mmHg without plaque (n = 2,623) | IASBPD ≥ 10 mmHg without plaque (n = 244) |
IASBPD < 10 mmHg with plaque (n = 1,883) |
IASBPD ≥ 10 mmHg with plaque (n = 220) |
P | |
| Age (years) | 50.08 ± 8.16 | 48.43 ± 7.30 | 62.25 ± 12.35 | 58.66 ± 11.73 | <0.01 |
| Male (n, %) | 1,231 (46.93%) | 164 (67.21%) | 1,394 (74.03%) | 171 (77.73%) | <0.01 |
| BMI (kg/m2) | 24.73 ± 3.17 | 26.67 ± 3.70 | 24.73 ± 3.15 | 26.58 ± 3.29 | <0.01 |
| Rt. arm SBP (mmHg) | 128.76 ± 16.92 | 138.29 ± 19.18 | 143.05 ± 20.03 | 150.38 ± 23.55 | <0.01 |
| Lt. arm SBP (mmHg) | 77.97 ± 11.23 | 83.18 ± 12.19 | 83.21 ± 11.50 | 87.00 ± 12.80 | <0.01 |
| Rt. arm DBP (mmHg) | 128.17 ± 17.04 | 143.22 ± 20.36 | 142.66 ± 20.08 | 153.24 ± 23.66 | <0.01 |
| Lt. arm DBP (mmHg) | 77.55 ± 11.27 | 83.18 ± 13.24 | 82.81 ± 11.49 | 86.81 ± 13.33 | <0.01 |
| FBG (mmol/L) | 5.40 ± 1.27 | 5.54 ± 1.30 | 5.80 ± 1.71 | 5.86 ± 1.93 | <0.01 |
| LDL-C (mmol/L) | 2.55 ± 0.74 | 2.74 ± 0.70 | 2.71 ± 0.81 | 2.68 ± 0.75 | <0.01 |
| Smoking (n, %) | 801 (30.54%) | 96 (39.34%) | 845 (44.88%) | 112 (50.91%) | <0.01 |
| Drinking alcohol (n, %) |
343 (13.08%) | 47 (19.26%) | 275 (14.6%) | 48 (21.82%) | <0.01 |
| Diabetes (n, %) | 191 (7.28%) | 20 (8.2%) | 335 (17.79%) | 39 (17.73%) | <0.01 |
| Hypertension (n, %) | 805 (30.69%) | 124 (50.82%) | 1,177 (62.51%) | 166 (75.45%) | <0.01 |
| Hyperlipidemia (n, %) |
246 (9.38%) | 19 (7.79%) | 248 (13.17%) | 30 (13.64%) | <0.01 |
| Antihypertensive treatment (n, %) | 300 (11.44%) | 27 (11.07%) | 554 (29.42%) | 63 (28.64%) | <0.01 |
IASBPD, inter-arm systolic blood pressure difference; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; FBG, fasting blood glucose; LDL-C, low-density lipoprotein cholesterol; Rt., right; Lt., left; n, number.