Table 2.
Association between particulate matter (PM2.5 and PM10) and hospitalization or mortality due to arrhythmia stratified by pollutant concentrations.
| Selected Levels | No. of Estimates | Relative Risk (95% CI *) | I2△ |
|---|---|---|---|
| PM2.5 ¶ | |||
| ～15 μg/m3 | 12 | 1.005 (1.001, 1.009) | 0 |
| 15 μg/m3–25 μg/m3 | 3 | 1.019 (1.006, 1.033) | 0 |
| 25 μg/m3～ | 4 | 1.053 (1.012, 1.094) | 87.4% |
| PM10 | |||
| ～30 μg/m3 | 5 | 1.004 (0.992, 1.017) | 69.6% |
| 30 μg/m3–50 μg/m3 | 6 | 1.016 (1.004, 1.027) | 84.0% |
| 50 μg/m3～ | 2 | 1.006 (1.004, 1.007) | 0 |
¶ PM: Particulate Matter; △ I2: Inconsistency Index.