Table 1.
Descriptive statistics for respiratory disease hospitalization, air pollutants and meteorological factors in Taiyuan, China, 2014–2017.
| Factors | Mean ± SD | Min | P25 | Median | P75 | Max |
|---|---|---|---|---|---|---|
| Meteorological factors | ||||||
| Temperature (°C) | 11.39 ± 10.13 | −8.06 | 1.02 | 12.53 | 21.07 | 27.54 |
| Relative humidity (%) | 57.70 ± 17.53 | 14 | 43 | 59 | 72 | 96 |
| Air pollutants | ||||||
| PM2.5 (μg/m3) | 65.71 ± 48.80 | 5.10 | 34.25 | 53.05 | 80.65 | 377.00 |
| PM10 (μg/m3) | 124.2 ± 68.37 | 13.70 | 75.93 | 113.80 | 151.00 | 561.00 |
| SO2 (μg/m3) | 69.34 ± 68.27 | 4.00 | 21.00 | 42.40 | 93.75 | 428.80 |
| NO2 (μg/m3) | 43.41 ± 17.32 | 7.00 | 32.00 | 41.35 | 52.68 | 122.00 |
| O3 (μg/m3) | 89.26 ± 53.47 | 5.00 | 47.00 | 79.50 | 124.75 | 275.00 |
| Respiratory disease | ||||||
| All | 116.39 ± 47.36 | 20 | 79 | 115 | 148 | 255 |
| Male | 71.36 ± 29.53 | 12 | 49 | 71 | 91 | 171 |
| Female | 45.03 ± 19.04 | 6 | 30 | 44 | 57 | 109 |
| 0–64 years | 85.18 ± 33.03 | 16 | 61 | 83 | 106 | 182 |
| 65+ years | 31.21 ± 16.70 | 1 | 16 | 32 | 42 | 98 |
| Pneumonia | 41.87 ± 20.28 | 4 | 27 | 38 | 53 | 111 |
| COPD | 19.38 ± 10.48 | 1 | 11 | 19 | 26 | 62 |