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 |