Table 1.
Population | PM2.5 Level | Total Days | Number of ED Visits | Mean ED Visits/Day (SD) |
% Increase in Mean ED Visits | p-Value |
---|---|---|---|---|---|---|
All patients | - | 366 | 4271 | 11.67 (5.665) | - | - |
All patients | <25 μg/m3 | 188 | 1895 | 10.08 (4.087) | 32.44 | <0.001 |
≥25 μg/m3 | 178 | 2376 | 13.35 (6.564) | |||
URI | <25 μg/m3 | 188 | 1744 | 9.28 (3.88) | 32 | <0.001 |
≥25 μg/m3 | 178 | 2180 | 12.25 (6.216) | |||
Asthma | <25 μg/m3 | 188 | 97 | 0.52 (0.817) | 19.23 | 0.23 |
≥25 μg/m3 | 178 | 111 | 0.62 (0.876) | |||
Pneumonia | <25 μg/m3 | 188 | 39 | 0.21 (0.468) | 42.86 | 0.08 |
≥25 μg/m3 | 178 | 54 | 0.30 (0.561) |