Table 1 Descriptive statistics of daily weather conditions and mortality from 2003 to 2007 in Guangzhou, China
Variables | Minimum | Maximum | 25th percentile | Median | 75th percentile | Mean | Standard Deviation |
|---|---|---|---|---|---|---|---|
Daily meteorological measures | |||||||
Maximum temperature(°C) | 7.2 | 39.1 | 23.4 | 28.8 | 32.6 | 27.6 | 6.2 |
Mean temperature(°C) | 6.3 | 34.2 | 18.6 | 24.4 | 28.0 | 23.0 | 6.1 |
Minimum temperature(°C) | 2.1 | 30.4 | 15.3 | 21.1 | 25.0 | 19.8 | 6.2 |
Relative humidity (%) | 20.0 | 97.0 | 64.0 | 72.0 | 80.0 | 80.0 | 12.9 |
Atmospheric pressure(hPa) | 988.7 | 1027.2 | 1003.4 | 1008.5 | 1014.0 | 1008.7 | 6.8 |
Daily concentrations of pollutants | |||||||
PM10(μg/m3) | 7.0 | 370.1 | 52.1 | 80.0 | 114.6 | 88.2 | 48.5 |
NO2(μg/m3) | 24.7 | 281.3 | 48.0 | 65.8 | 89.9 | 73.2 | 34.0 |
SO2(μg/m3) | 6.1 | 237.3 | 29.3 | 49.7 | 80.3 | 59.3 | 39.6 |
Daily number of deaths | |||||||
Non-accidental mortality | 32 | 233 | 52 | 59 | 69 | 62 | 13.6 |
Cardiovascular mortality | 6 | 102 | 19 | 23 | 28 | 24 | 7.4 |
Respiratory mortality | 2 | 46 | 8 | 11 | 14 | 12 | 4.5 |
All other mortality | 8 | 85 | 22 | 26 | 30 | 26 | 6.1 |