Research Article
Coal Mine Air Pollution and Number of Children Hospitalizations because of Respiratory Tract Infection: A Time Series Analysis
Table 1
Number of respiratory infection hospital admissions, meteorological factors, and pollutant concentrations.
| | Variables | ±s | Median | | | Maximum |
| | Upper respiratory tract infections (103) | 2.9 ± 2.2 | 2.5 | 1.0 | 4.0 | 14.0 | | Lower respiratory tract infections (103) | 3.1 ± 2.0 | 3.0 | 2.0 | 4.0 | 12.0 | | Temperature (°C) | 9.8 ± 12.0 | 11.4 | −0.5 | 21.0 | 47.3 | | Relative humidity (%) | 50.2 ± 17.1 | 49.9 | 38.1 | 62.1 | 83.5 | | SO2 (g/m3) | 49.3 ± 71.0 | 27.0 | 13.0 | 58.0 | 722.0 | | NO2 (g/m3) | 41.4 ± 23.0 | 38.0 | 27.0 | 51.0 | 149.0 | | PM10 (g/m3) | 131.0 ± 93.4 | 110.0 | 78.0 | 154.0 | 971.0 | | API | 112.1 ± 65.3 | 107.0 | 82.8 | 128.5 | 862.0 |
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