2.
队列1人群和队列2人群的基线特点
Baseline characteristics of cohort 1 and cohort 2
| Variable | Cohort 1 (n=467) |
Cohort 2 (n=658) |
| Values are x±s for continuous variables or % for categorical variables. CF-PWV, carotid-femoral artery pulse wave velocity; CR-PWV, carotid-radial artery pulse wave velocity; ABI, ankle brachial index; CAVI, cardio-ankle vascular index. | ||
| Age/years | 63.4±12.3 | 64.3±12.2 |
| Female/% | 42.2 | 48.7 |
| Body mass index/(kg/m2) | 25.2±3.8 | 25.6±6.1 |
| Heart rate/(beats/min) | 70.3±11.6 | 71.7±42.6 |
| Mean artery pressure/mmHg | 101.8±11.9 | 101.6±14.5 |
| Smoking/% | 30.0 | 26.6 |
| Drinking/% | 27.0 | 23.1 |
| Diabetes/% | 23.3 | 29.7 |
| Hypertension/% | 62.7 | 64.6 |
| Hyperlipidemia/% | 57.8 | 64.2 |
| Coronary heart disease (baseline/endpoint)/% |
52.1/66.1 | |
| Cerebral infarction (baseline/endpoint)/% |
32.8/41.8 | |
| CF-PWV/(m/s) | 11.6±2.9 | 11.6±2.7 |
| CR-PWV/(m/s) | 9.2±1.7 | 9.1±1.8 |
| CAVI | 8.7±1.9 | 8.6±1.9 |
| ABI | 1.02±0.20 | 1.01±0.21 |
| Median follow-up time/years | 1.9 | 2.1 |
| Number of events | 164 | 117 |