Table 3.
Pooled percent change (%) and 95% confidence intervals (CIs) in cause-specific CVD mortality per 10-μg/m3 increase in PM concentration in two-pollutant models.
| Two-pollutant | CVD | CHD | Stroke | ICH | CI |
|---|---|---|---|---|---|
| PM2.5 | 0.723 (0.512, 0.935) | 0.669 (0.461, 0.878) | 0.758 (0.584, 0.931) | 0.512 (0.245, 0.780) | 0.876 (0.637, 1.116) |
| PM2.5 + NO2 | 0.619 (0.302, 0.936) | 0.748 (0.411, 1.087) | 0.419 (0.061, 0.780) | 0.364 (−0.007, 0.737) | 0.421 (0.018, 0.826) |
| PM2.5 + SO2 | 0.584 (0.386, 0.783) | 0.552 (0.302, 0.802) | 0.619 (0.434, 0.805) | 0.313 (−0.005, 0.633) | 0.779 (0.495, 1.064) |
| PM2.5 + CO | 0.580 (0.304, 0.857) | 0.493 (0.156, 0.831) | 0.711 (0.420, 1.004) | 0.287 (−0.214, 0.791) | 0.839 (0.415, 1.265) |
| PM10 | 0.424 (0.293, 0.556) | 0.415 (0.228, 0.602) | 0.444 (0.330, 0.559) | 0.276 (0.026, 0.526) | 0.510 (0.353, 0.667) |
| PM10 + NO2 | 0.286 (0.127, 0.445) | 0.466 (0.220, 0.712) | 0.244 (0.075, 0.414) | 0.317 (0.036, 0.599) | 0.250 (0.050, 0.449) * |
| PM10 + SO2 | 0.309 (0.180, 0.438) | 0.286 (0.114, 0.457) | 0.346 (0.216, 0.475) | 0.191 (−0.076, 0.460) | 0.422 (0.245, 0.600) |
| PM10 + CO | 0.244 (0.117, 0.371) | 0.201 (0.002, 0.401) | 0.331 (0.174, 0.488) | 0.135 (−0.206, 0.477) | 0.390 (0.160, 0.620) |
CVD, all cardiovascular disease; CHD, coronary heart disease; ICH, intracerebral hemorrhage; CI, cerebral infarction. *Statistical significant difference with the single pollutant model compared by a paired z-test (p < 0.05).