Table 1 Descriptive analysis of the number of hospitalized COPD patients, meteorological factors and air pollutants in Qingyang city.
Mean | SD | Min | P25 | P50 | P75 | Max | |
|---|---|---|---|---|---|---|---|
Hospital admissions | |||||||
All | 7 | 5 | 0 | 3 | 5 | 9 | 60 |
Male | 4 | 3 | 0 | 1 | 3 | 6 | 40 |
Female | 3 | 3 | 0 | 1 | 2 | 4 | 20 |
< 65 ages | 2 | 2 | 0 | 1 | 2 | 3 | 40 |
≥ 65 ages | 5 | 4 | 0 | 2 | 4 | 7 | 48 |
Meteorological factors | |||||||
Temperature, ℃ | 10.38 | 10.06 | -14.70 | 1.20 | 11.40 | 19.30 | 30.60 |
Tmax, ℃ | 17.69 | 10.27 | -8.70 | 8.90 | 18.70 | 26.50 | 39.90 |
Tmin, ℃ | 4.72 | 10.18 | -20.30 | -4.10 | 5.90 | 13.40 | 24.60 |
DTR, ℃ | 12.73 | 5.73 | 0.00 | 8.50 | 13.00 | 16.90 | 27.20 |
RH, % | 65.62 | 16.38 | 13.00 | 54.00 | 65.13 | 79.00 | 98.00 |
Atmospheric pressure, hPa | 893.00 | 6.49 | 858.24 | 887.60 | 893.08 | 897.80 | 916.30 |
Wind speed, m/s | 1.83 | 0.68 | 0.40 | 1.40 | 1.70 | 2.20 | 6.66 |
Air pollution, µg/m3 | |||||||
PM2.5 | 31.57 | 23.79 | 0.00 | 17.00 | 25.00 | 38.00 | 190.00 |
PM10 | 65.32 | 47.75 | 0.00 | 38.25 | 56.00 | 81.00 | 766.00 |
SO2 | 23.84 | 30.83 | 2.00 | 7.00 | 10.00 | 24.00 | 198.00 |
CO | 0.92 | 0.50 | 0.20 | 0.60 | 0.80 | 1.00 | 4.30 |
NO2 | 19.49 | 9.00 | 4.00 | 13.00 | 18.00 | 24.00 | 60.00 |
O38h | 93.18 | 30.30 | 0.00 | 71.00 | 91.50 | 115.00 | 173.00 |
