Table 4.
Adjusted OR* for atrial fibrillation onset in a single-pollutant modela in the case-crossover study in Taiwan during 2006–2011
| Day | Pollutants | PM2.5–10 | PM10 | CO | NO | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 | ||||||||||
| OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | |
| 1 | 1.22 | (1.03–1.44) | 1.00 | (0.91–1.09) | 1.08 | (0.95–1.24) | 0.94 | (0.84–1.06) | 0.98 | (0.93–1.04) |
| 2 | 1.19 | (1.00–1.40) | 1.00 | (0.92–1.10) | 1.08 | (0.94–1.25) | 1.02 | (0.91–1.14) | 1.03 | (0.98–1.09) |
| 3 | 1.02 | (0.86–1.21) | 0.92 | (0.80–1.06) | 0.95 | (0.80–1.14) | 1.00 | (0.90–1.12) | 1.02 | (0.97–1.08) |
| 4 | 0.96 | (0.81–1.14) | 1.03 | (0.95–1.11) | 1.02 | (0.88–1.17) | 0.99 | (0.88–1.11) | 1.02 | (0.97–1.07) |
| 5 | 1.00 | (0.85–1.18) | 1.00 | (0.90–1.10) | 1.00 | (0.86–1.16) | 0.97 | (0.86–1.09) | 0.98 | (0.93–1.04) |
| 1–5 | 1.29 | (0.99–1.68) | 0.99 | (0.83–1.18) | 1.15 | (0.89–1.48) | 1.20 | (0.98–1.46) | 1.04 | (0.96–1.14) |
| NO2 | NOx | SO2 | O3 | O3_8h_max | ||||||
| OR | 95%CI | OR | 95%CI | OR | 95%CI | OR | 95%CI | OR | 95%CI | |
| 1 | 0.95 | (0.81–1.11) | 0.94 | (0.84–1.06) | 1.01 | (0.90–1.14) | 1.02 | (0.87–1.19) | 0.98 | (0.83–1.16) |
| 2 | 0.99 | (0.84–1.16) | 1.02 | (0.91–1.14) | 1.01 | (0.90–1.14) | 1.09 | (0.94–1.27) | 1.10 | (0.93–1.29) |
| 3 | 0.92 | (0.79–1.08) | 1.00 | (0.90–1.12) | 0.92 | (0.81–1.04) | 1.07 | (0.92–1.24) | 1.02 | (0.87–1.20) |
| 4 | 0.97 | (0.83–1.14) | 0.99 | (0.88–1.11) | 1.00 | (0.89–1.13) | 1.02 | (0.88–1.18) | 1.02 | (0.87–1.20) |
| 5 | 0.95 | (0.81–1.12) | 0.97 | (0.86–1.09) | 0.98 | (0.87–1.11) | 1.02 | (0.88–1.18) | 0.94 | (0.80–1.10) |
| 1–5 | 0.93 | (0.72–1.20) | 1.00 | (0.83–1.21) | 1.02 | (0.83–1.26) | 1.16 | (0.92–1.46) | 1.08 | (0.83–1.41) |
OR calculated for interquartile range increases of PM2.5 (26.2 μg/m3), PM10 (42.5 μg/m3), CO (0.2 ppm), NO (2.2 ppb), NO2 (8.5 ppb), NOx (9.6 ppb), SO2 (1.9 ppb), O3 (14.4 ppb), O3, max 8 h (26.2 ppb), and ambient temperature (AMB_TEMP) (7.7 °C)
aAll models adjusted for temperature and relative humidity