Table 1 Summary statistics of daily deaths, air pollution concentrations and atmosphere variables in Wuhan, China, from 2002 to 2010
From: Individual-level modifiers of the acute effects of air pollution on mortality in Wuhan, China
variables | Mean ± SD | min | P25 | P50 | P75 | max |
|---|---|---|---|---|---|---|
Daily deaths | ||||||
 Deaths causes | ||||||
  Total non-accidental | 11.13 ± 3.98 | 1.00 | 8.00 | 11.00 | 14.00 | 34.00 |
  Cardiovascular | 5.18 ± 2.67 | 0.00 | 3.00 | 5.00 | 7.00 | 23.00 |
  Respiratory | 1.10 ± 1.17 | 0.00 | 0.00 | 1.00 | 2.00 | 10.00 |
 Gender | ||||||
  Female | 6.17 ± 2.76 | 0.00 | 4.00 | 6.00 | 8.00 | 18.00 |
  Male | 4.96 ± 2.46 | 0.00 | 3.00 | 5.00 | 6.00 | 21.00 |
 Age | ||||||
   < 65 years | 2.83 ± 1.72 | 0.00 | 2.00 | 3.00 | 4.00 | 10.00 |
  65~ 75 years | 2.68 ± 1.75 | 0.00 | 1.00 | 2.00 | 4.00 | 16.00 |
   ≥ 75 years | 5.63 ± 2.80 | 0.00 | 4.00 | 5.00 | 7.00 | 18.00 |
Weather | ||||||
 Relative humidity (%) | 71.79 ± 12.61 | 21.00 | 63.00 | 73.00 | 81.00 | 98.00 |
 Temperature (°C) | 17.88 ± 9.35 | −2.70 | 9.70 | 19.00 | 25.90 | 35.80 |
Air pollutants concentration (μg/m3) | ||||||
 PM10 | 118.65 ± 62.67 | 10.50 | 72.00 | 108.00 | 152.00 | 600.00 |
 SO2 | 49.26 ± 33.60 | 1.00 | 25.00 | 41.00 | 65.50 | 260.50 |
 NO2 | 58.32 ± 25.37 | 12.00 | 39.20 | 52.80 | 73.60 | 288.00 |