Table 1. Comparison of Demographic Characteristics between China and the US*.
| Measure | China | US |
|---|---|---|
| (n = 25,269) | (n = 15,209) | |
| Age (years) | 47.1 (0.20) | 46.8 (0.15) |
| Male (%) | 48 | 48.2 |
| High school or above (%) | 66.9 | 81.3 |
| Current smoker (%) | 24.5 | 22.3 |
| History of CVD (%) | 1.5 | 5.4 |
| Hypertension (%) | 31.6 | 35.0 |
| Diabetes (%) | 7.1 | 10.4 |
| Body mass index (kg/m2) | 23.5 (0.04) | 28.6 (0.07) |
| Creatinine (μmol/L) | 0.87 (0.003) | 0.89 (0.002) |
| eGFR (ml/min per 1.73m2) | 91.8 (0.23) | 93.6 (0.20) |
| low eGFR | 3.7 | 6.9 |
| ACR (mg/g) | 6.3 (1.0–51.2) | 6.3 (4.2–11.4) |
| Microalbuminuria (%) | 7.1 | 7.7 |
| Macroalbuminuria (%) | 0.45 | 1.4 |
| Any Albuminuria (%) | 7.6 | 9.0 |
| Low eGFR or albuminuria (%) | 10.7 | 13.9 |
*Data are presented as Mean (SE) or %, except ACR is described as median (interquartile range). Sampling weights are applied to both cohorts. CVD = Cardiovascular disease; eGFR = Estimated glomerular filtration rate; ACR = Albumin creatinine ratio.