Table 4. Interactions of temperature with air pressure (AP), relative humidity (RH) and air pollutants for ACS: odds ratio (OR) of AP, RH, PM10 and CO (from Model (1)), and PM2.5 and NO2 (from Model (2)) in different temperature strata, after adjusting the offsets by hospital.
| high T (>26 °C) | mild T (21–26 °C) | low T (<21 °C) | ||||
|---|---|---|---|---|---|---|
| OR* (95% CI) | p-value | OR (95% CI) | p-value | OR (95% CI) | p-value | |
| Model (1) | ||||||
| Low AP: High AP | 2.236 (1.572, 3.181) | <0.0001 | 1.124 (0.899, 1.405) | 0.305 | 0.811 (0.434, 1.517) | 0.513 |
| RH per 1%↑ | 0.995 (0.982, 1.009) | 0.501 | 0.997 (0.987, 1.005) | 0.38 | 1.018 (1.009, 1.027) | <0.0001 |
| PM10 per 10 μg/m3↑ | 0.983 (0.948, 1.019) | 0.352 | 1.006 (0.983, 1.029) | 0.601 | 1.037 (1.006, 1.067) | 0.018 |
| CO per 1 ppm↑ | 0.822 (0.568, 1.191) | 0.301 | 0.952 (0.648, 1.398) | 0.8 | 1.122 (1.010, 1.246) | 0.032 |
| Model (2) | ||||||
| Low AP: High AP | 2.193 (1.54, 3.124) | <0.0001 | 1.116 (0.894, 1.392) | 0.334 | 0.793 (0.423, 1.488) | 0.471 |
| RH per 1%↑ | 0.993 (0.979, 1.008) | 0.356 | 0.997 (0.986, 1.005) | 0.318 | 1.018 (1.009, 1.026) | <0.0001 |
| PM2.5 per 10 μg/m3↑ | 0.961 (0.91, 1.015) | 0.152 | 0.980 (0.928, 1.035) | 0.459 | 1.069 (1.006, 1.137) | 0.032 |
| NO2 per 10 ppb↑ | 0.90 (0.801, 1.003) | 0.06 | 0.989 (0.861, 1.136) | 0.874 | 0.984 (0.866, 1.118) | 0.805 |