Table 3 Summary statistics of daily CVDs admissions, meteorological conditions and air pollutants concentrations in Chengdu, 2015–2017
| Â | Mean | Standard Deviation | Minimum | Median | Maximum |
|---|---|---|---|---|---|
CVDs hospital admissions (n) | 208 | 90 | 33 | 206 | 476 |
Meteorological Conditions | |||||
 Temperature (°C) | 17.0 | 7.2 | −1.1 | 17.8 | 30.2 |
 Relative Humidity (%) | 80.4 | 8.8 | 43.0 | 80.8 | 98.3 |
 Rainfall (mm) | 2.6 | 8.7 | 0.0 | 0.0 | 122.0 |
Air Pollutants Concentrations | |||||
 PM2.5 (μg/m3) | 60.3 | 42.4 | 6.1 | 48.4 | 324.5 |
 PM10 (μg/m3) | 99.3 | 64.7 | 14.3 | 79.8 | 492.5 |
 PMC (μg/m3) | 39.0 | 25.8 | 4.8 | 31.6 | 238.2 |
 SO2 (μg/m3) | 13.9 | 5.8 | 3.9 | 12.7 | 37.9 |
 NO2 (μg/m3) | 55.0 | 17.3 | 15.7 | 53.0 | 130.4 |
 O3 (μg/m3) | 96.0 | 54.6 | 5.6 | 85.3 | 290.4 |
 CO (mg/m3) | 1.1 | 0.4 | 0.4 | 1.0 | 2.8 |