Table 2 Descriptions of the day ischemic stroke, air pollution and meteorological factors in Shenzhen from 2008 to 2014
Variables | Mean ± SD | Min | P1 | P5 | P10 | P25 | P50 | P75 | P90 | P95 | P99 | Max | IQR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Total cases | 25.03 ± 9.88 | 4.00 | 8.00 | 12.00 | 14.00 | 18.00 | 23.00 | 31.00 | 38.00 | 43.00 | 53.00 | 95.00 | 13.00 |
Male cases | 14.89 ± 6.55 | 1.00 | 4.00 | 6.00 | 8.00 | 10.00 | 14.00 | 18.00 | 24.00 | 27.00 | 35.00 | 64.00 | 8.00 |
Female cases | 10.14 ± 4.63 | 1.00 | 2.00 | 4.00 | 5.00 | 7.00 | 9.00 | 13.00 | 16.00 | 18.00 | 24.00 | 42.00 | 6.00 |
Elderly cases | 12.12 ± 5.51 | 1.00 | 3.00 | 5.00 | 6.00 | 8.00 | 11.00 | 15.00 | 19.00 | 22.00 | 29.00 | 54.00 | 7.00 |
Adult cases | 12.90 ± 5.69 | 0.00 | 3.00 | 5.00 | 6.00 | 9.00 | 12.00 | 16.00 | 20.00 | 23.00 | 29.00 | 42.00 | 7.00 |
SO2(μg/m3) | 11.97 ± 6.95 | 2.95 | 3.71 | 4.74 | 5.61 | 7.35 | 10.06 | 14.44 | 20.35 | 25.50 | 37.86 | 70.63 | 7.09 |
NO2(μg/m3) | 45.89 ± 19.96 | 13.13 | 18.51 | 23.17 | 25.93 | 32.30 | 41.29 | 54.14 | 72.11 | 85.04 | 116.26 | 166.14 | 21.84 |
PM10(μg/m3) | 55.91 ± 30.26 | 10.86 | 16.14 | 21.04 | 23.96 | 31.44 | 48.29 | 74.66 | 97.67 | 114.17 | 145.94 | 182.23 | 43.21 |
CO (μg/m3) | 1.22 ± 0.44 | 0.37 | 0.50 | 0.66 | 0.75 | 0.91 | 0.14 | 1.43 | 1.88 | 2.10 | 2.46 | 3.25 | 0.52 |
O3(μg/m3) | 53.49 ± 21.85 | 6.02 | 16.00 | 23.80 | 28.89 | 36.73 | 49.82 | 67.78 | 83.71 | 93.99 | 111.57 | 143.33 | 31.04 |
Temperature(°C) | 23.03 ± 5.66 | 5.40 | 8.80 | 12.20 | 14.60 | 19.00 | 24.50 | 27.80 | 29.30 | 29.80 | 30.60 | 32.00 | 8.80 |
Relative humidity(%) | 72.83 ± 13.35 | 19.00 | 32.00 | 47.00 | 54.00 | 66.00 | 75.00 | 82.00 | 88.00 | 91.00 | 97.00 | 100.00 | 16.00 |