Table 1 Summary statistics for daily CVD deaths and meteorological variables in summer in Beijing, from 2010–2012
Category | Minimum | 25% | Median | 75% | Maximum | Mean ± SD |
|---|---|---|---|---|---|---|
Daily meteorological data | ||||||
Maximum temperature (°C) | 23.2 | 29.5 | 31.1 | 33 | 40.6 | 31.2±2.9 |
Mean relative humidity (%) | 21 | 56.8 | 66 | 75 | 97 | 64.7±14.6 |
Mean air pressure (hPa) | 990.4 | 998.1 | 1001 | 1004 | 1014 | 1001±4.6 |
Deaths by age | ||||||
≥65 years of age | 39 | 62 | 71 | 79 | 144 | 71.9±12.9 |
0–64 years of age | 6 | 13 | 15 | 18 | 36 | 15.7±4.3 |
Deaths by sex | ||||||
Male | 24 | 38 | 44 | 50 | 88 | 44.4±7.5 |
Female | 20 | 36 | 42 | 49 | 92 | 42.5±8.1 |
Deaths by occupation | ||||||
Outdoor | 18 | 29 | 33 | 39 | 78 | 32.5±8 |
Indoor | 17 | 33 | 38 | 44 | 67 | 37.6±7.1 |
Unemployed | 2 | 7 | 9 | 12 | 19 | 9.5±4.3 |
Unknown | 0 | 3 | 5 | 7 | 17 | 4.7±2.9 |