Table 2 The impact of air quality indexes on readmission for HF after discharge of UA patients.
From: Long-term impact of air pollution on heart failure readmission in unstable angina patients
 | Model I | Model II | Model III | |||
---|---|---|---|---|---|---|
 | Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value |
AQI | 1.001 (0.999, 1.004) | 0.37686 | 1.001 (0.999, 1.004) | 0.42519 | 1.001 (0.998, 1.004) | 0.45627 |
PM2.5 | 1.001 (0.998, 1.003) | 0.55816 | 1.001 (0.998, 1.003) | 0.59652 | 1.001 (0.998, 1.004) | 0.45453 |
PM10 | 1.003 (1.000, 1.005) | 0.01888 | 1.003 (1.000, 1.005) | 0.02726 | 1.003 (1.000, 1.006) | 0.02023 |
SO2 | 1.001 (0.998, 1.004) | 0.42867 | 1.001 (0.998, 1.004) | 0.43563 | 1.001 (0.998, 1.004) | 0.40237 |
CO | 1.012 (1.004, 1.020) | 0.00394 | 1.011 (1.003, 1.019) | 0.00572 | 1.012 (1.003, 1.020) | 0.00616 |
NO2 | 0.999 (0.996, 1.002) | 0.38511 | 0.999 (0.996, 1.001) | 0.35376 | 0.998 (0.996, 1.001) | 0.29174 |
O3-8Â h | 1.001 (0.999, 1.003) | 0.46851 | 1.001 (0.999, 1.003) | 0.42824 | 1.001 (0.998, 1.003) | 0.54781 |