Table 2 Descriptive statistics on circulatory biomarkers by study period (n=464) a
|  | Period | Median | Mean±SD | Range |
|---|---|---|---|---|
hs-CRP, mg/L | Suburban Period | 0.46 | 1.09±1.65 | 0.04-10.13 |
|  | Urban Period 1 | 0.45 | 1.13±1.96 | 0.02-12.86 |
|  | Urban Period 2 | 0.53 | 1.31±2.12 | 0.02-11.38 |
TNF-α, pg/ml | Suburban Period | 2.94 | 3.13±1.33 | 0.78-7.36 |
|  | Urban Period 1 | 3.11 | 3.22±1.32 | 0.69-6.71 |
|  | Urban Period 2 | 3.01 | 3.21±1.43 | 0.62-7.88 |
Fibrinogen, g/L | Suburban Period | 1.90 | 1.98±0.78 | 0.51-4.87 |
|  | Urban Period 1 | 2.04 | 2.13±0.79 | 0.53-5.02 |
|  | Urban Period 2 | 1.98 | 1.99±0.70 | 0.24-3.50 |
PAI-1, ng/ml | Suburban Period | 28.5 | 29.5±8.2 | 13.1-84.2 |
|  | Urban Period 1 | 27.5 | 28.5±8.4 | 14.3-70.1 |
|  | Urban Period 2 | 27.5 | 27.3±7.2 | 13.2-46.2 |
t-PA, ng/ml | Suburban Period | 9.5 | 10.2±4.6 | 3.6-27.8 |
|  | Urban Period 1 | 9.1 | 9.7±3.7 | 2.9-26.3 |
|  | Urban Period 2 | 8.7 | 9.5±4.4 | 3.2-31.1 |
vWF, ng/ml | Suburban Period | 323.7 | 334.1±86.2 | 164.8-611.9 |
|  | Urban Period 1 | 312.3 | 322.3±84.0 | 154.6-684.2 |
|  | Urban Period 2 | 298.2 | 304.1±66.8 | 171.7-521.7 |
sP-selectin, ng/ml | Suburban Period | 52.1 | 52.7±22.9 | 2.2-127.2 |
|  | Urban Period 1 | 49.5 | 50.0±21.7 | 4.4-120.9 |
|  | Urban Period 2 | 44.1 | 45.2±19.6 | 6.8-108.2 |
tHcy, μmol/L | Suburban Period | 0.21 | 0.41±0.61 | 0.005-4.32 |
|  | Urban Period 1 | 0.31 | 0.49±0.81 | 0.005-8.26 |
|  | Urban Period 2 | 0.27 | 0.46±0.91 | 0.005-6.89 |