Table 4.
Analysis of the correlation between respiratory disease patients' ED visit and air pollution and weather variables.
| KOICD | Time Lag | R2 | Important Variables | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||
| J00-06 | 0 | 0·778 | NO2 (mean, 0) | ste_NO2_0 | PM10 (std, 0) | Wind direction (mean, 0) | SO2 (mean, 0) | Temperature (std, 0) | O3 (mean, 0) | CO (std, 0) | Humidity (mean, 0) | Steam pressure (mean, 0) |
| 0,1 | 0·8752 | SO2 (mean, 1) | ste_NO2_0 | NO2 (mean, 0) | PM10 (std, 0) | Wind direction (mean, 0) | Temperature (std, 0) | PM10 (std, 1) | CO (std, 0) | O3 (mean, 0) | Temperature (std, 1) | |
| 0,1,2 | 0·8233 | NO2 (std, 0) | SO2 (mean, 2) | NO2 (mean, 0) | SO2 (mean, 1) | PM10 (std, 0) | Wind direction (mean, 0) | Temperature (std, 0) | O3 (mean, 0) | Wind speed (std, 2) | ||
| 0,1,2,3 | 0·882 | NO2 (std, 0) | NO2 (mean, 0) | SO2 (mean, 1) | SO2 (mean, 3) | SO2 (mean, 2) | PM10 (std, 0) | O3 (mean, 0) | Wind direction (mean, 0) | Temperature (std, 0) | std_CO_ 0 | |
|
| ||||||||||||
| J09-11 | 0 | 0·9504 | Temperature (mean, 0) | Steam pressure (mean, 0) | SO2 (mean, 0) | Steam pressure (std, 0) | CO (std, 0) | CO (mean, 0) | PM10 (mean, 0) | SO2 (std, 0) | Humidity (mean, 0) | Wind direction (mean, 0) |
| 0,1 | 0·9529 | Temperature (mean, 1) | Temperature (mean, 0) | Steam pressure (mean, 0) | Steam pressure (mean, 1) | SO2 (mean, 1) | Steam pressure (std, 0) | SO2 (mean, 0) | Steam pressure (std, 1) | CO (std, 1) | CO (mean, 1) | |
| 0,1,2 | 0·9544 | Temperature (mean, 1) | Temperature (mean, 2) | Temperature (mean, 0) | Steam pressure (mean, 2) | Steam pressure (mean, 0) | Steam pressure (mean, 1) | SO2 (mean, 2) | SO2 (mean, 1) | Steam pressure (std, 1) | Steam pressure (std, 2) | |
| 0,1,2,3 | 0·882 | NO2 (std, 0) | NO2 (mean, 0) | SO2 (mean, 1) | SO2 (mean, 3) | SO2 (mean, 2) | PM10 (std, 0) | O3 (mean, 0) | Wind direction (mean, 0) | Temperature (std, 0) | std_CO_ 0 | |
|
| ||||||||||||
| J12-18 | 0 | 0·3447 | Steam Pressure (mean, 0) | Temperature (mean, 0) | CO (mean, 0) | PM10 (mean, 0) | O3 (mean, 0) | SO2 (mean, 0) | CO (std, 0) | Humidity (mean, 0) | O3 (std, 0) | Steam Pressure (std, 0) |
| 0,1 | 0·3672 | Steam pressure (mean, 0) | Steam pressure (mean, 1) | Temperature (mean, 0) | Temperature (mean, 1) | CO (mean, 1) | SO2 (mean, 1) | CO (mean, 0) | O3 (mean, 1) | O3 (mean, 0) | PM10 (mean, 1) | |
| 0,1,2 | 0·3858 | Steam pressure (mean, 0) | Steam pressure (mean, 2) | Steam pressure (mean, 1) | Temperature (mean, 0) | Temperature (mean, 2) | Temperature (mean, 1) | CO (mean, 2) | CO (mean, 1) | CO (mean, 0) | O3 (mean, 1) | |
| 0,1,2,3 | 0·3941 | Steam pressure (mean, 2) | Temperature (mean, 3) | Steam pressure (mean, 3) | Steam pressure (mean, 0) | Steam pressure (mean, 1) | Temperature (mean, 1) | Temperature (mean, 2) | Temperature (mean, 0) | CO (mean, 3) | CO (mean, 1) | |
|
| ||||||||||||
| J20-22 | 0 | 0·913 | Steam pressure (mean, 0) | Temperature (mean, 0) | O3 (mean, 0) | SO2 (mean, 0) | NO2 (mean, 0) | O3 (std, 0) | Humidity (mean, 0) | CO (std, 0) | PM10 (mean, 0) | Steam pressure (std, 0) |
| 0,1 | 0·8325 | Steam pressure (mean, 1) | Steam pressure (mean, 0) | Temperature (mean, 0) | Temperature (mean, 1) | O3 (mean, 0) | CO (mean, 1) | SO2 (mean, 1) | NO2 (mean, 0) | O3 (std, 0) | O3 (mean, 1) | |
| 0,1,2 | 0·9067 | Steam pressure (mean, 0) | Steam pressure (mean, 1) | Steam pressure (mean, 2) | Temperature (mean, 0) | Temperature (mean, 1) | Temperature (mean, 2) | O3 (mean, 0) | CO (mean, 2) | SO2 (mean, 2) | mean_PM10_ | |
| 0,1,2,3 | 0·898 | Steam pressure (mean, 1) | Steam pressure (mean, 3) | Temperature (mean, 3) | Steam pressure (mean, 0) | Steam pressure (mean, 2) | O3 (mean, 0) | CO (mean, 3) | SO2 (mean, 3) | CO (mean, 2) | PM10 (mean, 3) | |
|
| ||||||||||||
| J30-39 | 0 | 0·814 | NO2 (mean, 0) | Wind Speed (mean, 0) | Temperature (mean, 0) | Steam Pressure (mean, 0) | NO2 (std, 0) | SO2 (mean, 0) | O3 (mean, 0) | SO2 (std, 0) | Temperature (std, 0) | PM10 (std, 0) |
| 0,1 | 0·8772 | NO2 (mean, 0) | Wind speed (mean, 0) | NO2 (std, 0) | SO2 (mean, 0) | Temperature (mean, 1) | O3 (mean, 0) | CO (mean, 1) | SO2 (mean, 1) | NO2 (mean, 0) | O3 (std, 0) | |
| 0,1,2 | 0·8772 | NO2 (mean, 0) | Wind speed (mean, 0) | NO2 (std, 0) | PM10 (mean, 2) | Temperature (mean, 1) | SO2 (std, 0) | O3 (mean, 0) | NO2 (std, 1) | Temperature (std, 2) | Temperature (std, 0) | |
| 0,1,2,3 | 0·8213 | NO2 (mean, 0) | SO2 (mean, 0) | NO2 (std, 0) | Wind speed (mean, 0) | O3 (mean, 0) | NO2 (std, 1) | SO2 (std, 0) | PM10 (std, 0) | Steam pressure (std, 0) | PM10 (std, 3) | |
|
| ||||||||||||
| J40-47 | 0 | 0·9008 | Steam pressure (mean, 0) | Temperature (mean, 0) | PM10 (mean, 0) | PM10 (std, 0) | Humidity (mean, 0) | NO2 (mean, 0) | SO2 (mean, 0) | Wind speed (mean, 0) | Wind speed (std, 0) | CO (std, 0) |
| 0,1 | 0·8598 | Temperature (mean, 1) | Steam pressure (mean, 0) | Steam pressure (mean, 1) | Temperature (mean, 0) | PM10 (mean, 1) | PM10 (mean, 0) | PM10 (std, 0) | SO2 (mean, 1) | Wind speed (mean, 0) | CO (std, 1) | |
| 0,1,2 | 0·9005 | Temperature (mean, 1) | Temperature (mean, 2) | Steam Pressure (mean, 0) | Temperature (mean, 0) | Steam Pressure (mean, 2) | Steam Pressure (mean, 1) | PM10 (mean, 2) | PM10 (mean, 1) | SO2 (mean, 2) | CO (mean, 2) | |
| 0,1,2,3 | 0·87 | Temperature (mean, 3) | Steam pressure (mean, 0) | Temperature (mean, 2) | Steam pressure (mean, 1) | Temperature (mean, 1) | Steam pressure (mean, 2) | Steam pressure (mean, 3) | Temperature (mean, 0) | PM10 (mean, 3) | PM10 (mean, 1) | |
|
| ||||||||||||
| J60-70 | 0 | 0·0789 | CO (mean, 0) | NO2 (mean, 0) | CO (std, 0) | Precipitation (std, 0) | Humidity (std, 0) | Precipitation (mean, 0) | Temperature (mean, 0) | Humidity (mean, 0) | SO2 (mean, 0) | Wind direction (std, 0) |
| 0,1 | 0·0832 | CO (mean, 0) | NO2 (mean, 0) | Precipitation (std, 0) | Precipitation (mean, 0) | Humidity (std, 0) | CO (std, 0) | Wind speed (std, 1) | CO (mean, 1) | Wind direction (mean, 1) | SO2 (mean, 1) | |
| 0,1,2 | 0·0911 | CO (mean, 0) | Precipitation (std, 0) | NO2 (mean, 0) | Wind speed (mean, 2) | Steam pressure (std, 2) | Precipitation (mean, 0) | Humidity (std, 2) | CO (std, 0) | SO2 (mean, 2) | O3 (std, 2) | |
| 0,1,2,3 | 0·0933 | NO2 (mean, 0) | CO (mean, 0) | Steam pressure (std, 2) | Precipitation (std, 0) | Wind speed (mean, 2) | std_CO_ 0 | Humidity (std, 2) | Humidity (std, 0) | Precipitation (mean, 0) | Temperature (mean, 3) | |
|
| ||||||||||||
| J80-84 | 0 | 0·0991 | Steam pressure (mean, 0) | Temperature (mean, 0) | PM10 (mean, 0) | std_C0_0 | NO2 (mean, 0) | std__NO2_0 | O3 (mean, 0) | Humidity (std, 0) | Wind direction (mean, 0) | CO (mean, 0) |
| 0,1 | 0·1092 | Steam pressure (mean, 0) | Temperature (mean, 1) | Steam pressure (mean, 1) | Temperature (mean, 0) | SO2 (std, 1) | CO (std, 0) | PM10 (mean, 0) | SO2 (mean, 1) | O3 (mean, 0) | NO2 (mean, 0) | |
| 0,1,2 | 0·1197 | Steam Pressure (mean, 0) | Steam Pressure (mean, 2) | Temperature (mean, 0) | std_C0_2 | Steam Pressure (mean, 1) | Temperature (mean, 1) | Temperature (mean, 2) | std__SO2_1 | CO (std, 0) | NO2 (std, 2) | |
| 0,1,2,3 | 0·1222 | Steam pressure (mean, 2) | Temperature (mean, 0) | Steam pressure (mean, 0) | Temperature (mean, 1) | Steam pressure (mean, 1) | Steam pressure (mean, 3) | SO2 (std, 1) | Temperature (mean, 2) | CO (std, 2) | Temperature (mean, 0) | |
|
| ||||||||||||
| J85-86 | 0 | 0·0757 | Humidity (std, 0) | PM10 (std, 0) | NO2 (std, 0) | Steam pressure (std, 0) | PM2·5 (mean, 0) | Wind speed (std, 0) | SO2 (mean, 0) | Temperature (mean, 0) | PM10 (mean, 0) | PM2·5 (std, 0) |
| 0,1 | 0·079 | Humidity (std, 0) | Temperature (std, 1) | PM10 (std, 0) | NO2 (std, 0) | SO2 (mean, 1) | Humidity (std, 1) | Steam pressure (std, 0) | Wind speed (std, 0) | NO2 (mean, 0) | Wind speed (mean, 1) | |
| 0,1,2 | 0·0803 | PM10 (std, 2) | Temperature (std, 1) | Humidity (std, 0) | PM10 (std, 0) | NO2 (std, 0) | Steam pressure (std, 0) | PM2·5 (std, 2) | Wind speed (mean, 1) | SO2 (mean, 1) | CO (mean, 2) | |
| 0,1,2,3 | 0·0858 | PM10 (std, 2) | Humidity (std, 0) | Temperature (std, 1) | NO2 (std, 0) | mean_CO_ 3 | PM10 (std, 0) | Steam pressure (std, 0) | Wind speed (std, 3) | PM2·5 (std, 2) | NO2 (mean, 0) | |
|
| ||||||||||||
| J90-94 | 0 | 0·0948 | NO2 (std, 0) | NO2 (mean, 0) | Wind Speed (mean, 0) | Temperature (mean, 0) | CO (std, 0) | Wind Direction (std, 0) | Precipitation (std, 0) | O3 (mean, 0) | Steam Pressure (mean, 0) | O3 (std, 0) |
| 0,1 | 0·3804 | NO2 (std, 0) | NO2 (mean, 0) | Wind speed (mean, 0) | Wind direction (std, 1) | Wind speed (std, 0) | Humidity (std, 0) | O3 (mean, 0) | Temperature (std, 0) | CO (mean, 1) | Wind direction (std, 0) | |
| 0,1,2 | 0·3993 | NO2 (std, 0) | NO2 (mean, 0) | Wind speed (mean, 0) | NO2 (std, 2) | Wind speed (std, 0) | CO (std, 0) | Wind direction (std, 1) | Humidity (std, 0) | Wind direction (std, 0) | Steam pressure (mean, 0) | |
| 0,1,2,3 | 0·6921 | NO2 (std, 0) | NO2 (mean, 0) | Wind speed (mean, 0) | NO2 (std, 2) | O3 (mean, 0) | O3 (std, 3) | NO2 (std, 3) | Wind direction (std, 1) | Wind direction (std, 0) | Wind speed (std, 0) | |
|
| ||||||||||||
| J95-99 | 0 | 0·1029 | SO2 (mean, 0) | Wind speed (mean, 0) | SO2 (std, 0) | O3 (mean, 0) | Wind direction (mean, 0) | Wind direction (std, 0) | Humidity (mean, 0) | Steam pressure (std, 0) | PM10 (mean, 0) | CO (mean, 0) |
| 0,1 | 0·7786 | SO2 (mean, 0) | SO2 (mean, 1) | Wind direction (std, 1) | Wind direction (mean, 0) | Wind speed (mean, 1) | Steam pressure (std, 1) | SO2 (std, 0) | Wind speed (mean, 0) | CO (mean, 1) | PM10 (std, 0) | |
| 0,1,2 | 0·8723 | SO2 (mean, 0) | SO2 (mean, 1) | SO2 (mean, 2) | Wind speed (mean, 2) | Wind speed (mean, 1) | Wind direction (mean, 0) | Wind direction (std, 1) | Wind speed (std, 2) | CO (mean, 1) | Steam pressure (std, 1) | |
| 0,1,2,3 | 0·8743 | SO2 (mean, 3) | SO2 (mean, 1) | SO2 (mean, 0) | SO2 (mean, 2) | Wind speed (mean, 3) | Wind direction (mean, 0) | Wind speed (mean, 1) | Wind speed (mean, 2) | Wind direction (std, 1) | PM2·5 (std, 3) | |
CO, carbon monoxide; NO2, nitrogen dioxide; O3, ozone; PM, Particulate matter; SO2, sulfur dioxide.