Table 1.
Summary statistics for daily counts of all-cause mortality, daily mean temperature and daily maximum 1-h and mean 24-h concentrations of ozone (O3), nitrogen dioxide (NO2) and combined oxidant (Ox)
| Variable | Mina | Q1b | Medc | Q3d | Maxf | IQRe |
|---|---|---|---|---|---|---|
| Mortality (n/day) | 96 | 133 | 145 | 159 | 302 | 26 |
| Temperature (°C) | −0.2 | 8.4 | 12.1 | 16.5 | 29.3 | 8.1 |
| Pollutants (ppb) | ||||||
| 1 h | ||||||
| O3 | 1.7 | 23.4 | 29.9 | 36.6 | 103.9 | 13.3 |
| NO2 | 9.0 | 28 | 34.2 | 40.5 | 81.3 | 12.5 |
| Ox | 25.0 | 42.9 | 47.5 | 53.5 | 123.5 | 10.6 |
| 24 h | ||||||
| O3 | 0.9 | 10.4 | 16.5 | 21.9 | 55.2 | 11.5 |
| NO2 | 5.9 | 16.2 | 20.4 | 25.3 | 52.0 | 9.2 |
| Ox | 17.4 | 34.6 | 38.1 | 42.3 | 77.1 | 7.7 |
Notes: a Minimum; b 25th percentile; c Median; d 75th percentile; e Maximum; f Interquartile range