Table 1.
Coefficients between hospital visits and air pollutants using linear correlation analysis. The intervals represent 95% confidence intervals.
| PM10 | PM2.5 | O3 | NO2 | CO | SO2 | ||
|---|---|---|---|---|---|---|---|
| Outpatient Hospital Visits | 4-day lag | 0.197 0.0004 |
0.124 0.0005 |
−0.307 0.0004 |
0.374 0.0004 |
0.356 0.0004 |
0.273 0.0004 |
| 3-day lag | 0.195 0.0004 |
0.129 0.0005 |
−0.284 0.0004 |
0.380 0.0004 |
0.347 0.0004 |
0.264 0.0004 |
|
| 2-day lag | 0.206 0.0004 |
0.123 0.0005 |
−0.267 0.0004 |
0.365 0.0004 |
0.340 0.0004 |
0.275 0.0004 |
|
| 1-day lag | 0.182 0.0004 |
0.094 0.00046 |
−0.206 0.0004 |
0.222 0.0004 |
0.281 0.0004 |
0.226 0.0004 |
|
| 0-day lag | 0.218 0.0004 |
0.106 0.0005 |
−0.281 0.0004 |
0.314 0.0004 |
0.310 0.0004 |
0.263 0.0004 |
|
| Hospital Admissions | 4-day lag | 0.142 0.0041 |
0.205 0.0040 |
−0.184 0.0042 |
0.237 0.0040 |
0.241 0.0040 |
0.099 0.0042 |
| 3-day lag | 0.139 0.0041 |
0.198 0.0041 |
−0.13 0.0042 |
0.174 0.0041 |
0.209 0.0040 |
0.08 0.00419 |
|
| 2-day lag | 0.157 0.0041 |
0.189 0.0041 |
−0.116 0.0042 |
0.144 0.0041 |
0.203 0.0040 |
0.078 0.0042 |
|
| 1-day lag | 0.143 0.0041 |
0.175 0.0041 |
−0.085 0.00419 |
0.061 0.0041 |
0.168 0.0041 |
0.039 0.0042 |
|
| 0-day lag | 0.159 0.0041 |
0.185 0.0041 |
−0.125 0.0042 |
0.118 0.0042 |
0.174 0.0041 |
0.059 0.0042 |
|
| Emergency Department Visits | 4-day lag | 0.213 0.0064 |
0.091 0.0064 |
−0.172 0.0065 |
0.260 0.0063 |
0.260 0.0062 |
0.205 0.0064 |
| 3-day lag | 0.201 0.0064 |
0.097 0.0066 |
−0.165 0.0065 |
0.262 0.0062 |
0.268 0.0062 |
0.193 0.0064 |
|
| 2-day lag | 0.221 0.0064 |
0.107 0.0066 |
−0.135 0.0066 |
0.252 0.0063 |
0.272 0.0062 |
0.208 0.0064 |
|
| 1-day lag | 0.225 0.0064 |
0.099 0.0066 |
−0.093 0.0066 |
0.186 0.0065 |
0.244 0.0063 |
0.179 0.0065 |
|
| 0-day lag | 0.225 0.0064 |
0.091 0.0064 |
−0.132 0.0066 |
0.219 0.0064 |
0.245 0.0063 |
0.187 0.0065 |