Percentiles | |||||
---|---|---|---|---|---|
Variable | Mean±SD | 25th | 50th | 75th | IQR |
Environmental variables | |||||
Temperature (°C) | 23.4±5.2 | 19.2 | 24.6 | 27.8 | 8.6 |
Humidity (%) | 78.3±10.4 | 73.0 | 79.0 | 85.0 | 12.0 |
Rainfall (mm) | 6.2±20.5 | 0 | 0 | 1.5 | 1.5 |
Pollutant variable (ug/m3) | |||||
PM10 (24 h) | 55.0±28.9 | 32.5 | 50.6 | 72.5 | 40.0 |
PM2.5 (24 h) | 38.3±21.1 | 21.6 | 34.5 | 50.4 | 28.8 |
SO2 (24 h) | 18.1±12.6 | 10.0 | 14.8 | 22.2 | 12.2 |
NO2 (24 h) | 68.7±21.9 | 53.1 | 66.4 | 81.5 | 28.4 |
O3 (8 h) | 42.6±25.9 | 21.7 | 36.2 | 59.2 | 37.5 |
Total hospital admission | |||||
Age 0–18 | 210.3±50.1 | 169.0 | 215.0 | 246.0 | 77.0 |
Age 0–5 | 135.9±34.6 | 109.0 | 136.0 | 160.0 | 51.0 |
Age 6–18 | 74.4±20.9 | 60.0 | 77.0 | 89.0 | 29.0 |
LRTI* daily admission | |||||
Age 0–18 | 23.1±9.3 | 16.0 | 22.0 | 28.0 | 12.0 |
Age 0–5 | 18.4±7.8 | 13.0 | 17.0 | 23.0 | 10.0 |
Age 6–18 | 4.7±3.4 | 2.0 | 4.0 | 6.0 | 4.0 |
Influenza* daily admission | |||||
Age 0–18 | 4.9±7.5 | 1.0 | 2.0 | 6.0 | 5.0 |
Age 0–5 | 3.2±4.5 | 0 | 2.0 | 4.0 | 4.0 |
Age 6–18 | 1.7±3.7 | 0 | 1.0 | 2.0 | 2.0 |
The observation period was 3288 days. There were a total of 691 480 hospital admissions for children aged 0–18 years (75 870 LRTI and 16 178 influenza) and 446 742 hospital admissions for preschool children (60 551 LRTI and 10 454 influenza).
*As a principal diagnosis.
LRTI, lower respiratory tract infection; NO2, nitrogen dioxide; O3, ozone; PM10, particulate matter with aerodynamic diameter <10 µm; PM2.5, particulate matter with aerodynamic diameter <2.5 µm; SO2, sulfur dioxide.