Table 3.
Estimated percent increase in hospital admissions for a 10 μg/m3 increase in 2-day averaged PM2.5 by cause of admission and season
| % | 95% CI | ||
|---|---|---|---|
| Cardiovascular disease | |||
| All seasons | 1.89 | 1.34 | 2.45 |
| Winter | 2.60 | 1.60 | 3.60 |
| Spring | 3.38 | 2.47 | 4.30 |
| Summer | 0.13 | -0.78 | 1.06 |
| Autumn | 1.49 | 0.49 | 2.50 |
| Myocardial Infarction | |||
| All seasons | 2.25 | 1.10 | 3.42 |
| Winter | 2.10 | 0.42 | 3.81 |
| Spring | 4.50 | 1.42 | 7.68 |
| Summer | 2.09 | -1.29 | 5.60 |
| Autumn | 0.68 | -0.85 | 2.24 |
| Congestive heart failure | |||
| All seasons | 1.85 | 1.19 | 2.51 |
| Winter | 2.90 | 1.63 | 4.19 |
| Spring | 4.14 | 2.61 | 5.68 |
| Summer | 0.11 | -1.23 | 1.46 |
| Autumn | 0.80 | -0.40 | 2.01 |
| Diabetes | |||
| All seasons | 2.74 | 1.30 | 4.20 |
| Winter | -0.52 | -3.20 | 2.24 |
| Spring | 5.43 | 1.97 | 9.02 |
| Summer | 1.85 | -1.02 | 4.80 |
| Autumn | 4.78 | 2.16 | 7.46 |
| Respiratory disease | |||
| All seasons | 2.07 | 1.20 | 2.95 |
| Winter | 1.79 | 0.47 | 3.12 |
| Spring | 4.34 | 2.19 | 6.54 |
| Summer | 1.26 | -0.60 | 3.16 |
| Autumn | 1.52 | -0.06 | 3.13 |