Correlation among the pollutants PM2.5, BC, NO2, CO, ozone, and PM non-traffic in the myocardial infarction cohort (non-shaded) and the pneumonia cohort (shaded)
| Myocardial Infarction cohort | ||||||
|---|---|---|---|---|---|---|
| PM25 | BC | NO2 | CO | Ozone | PM non-traffic | |
| Pneumonia cohort | ||||||
| PM25 | 1 | 0.66 | 0.55 | 0.52 | 0.20 | 0.74 |
| BC | 0.66 | 1 | 0.70 | 0.82 | −0.25 | −0.01 |
| NO2 | 0.55 | 0.70 | 1 | 0.67 | −0.14 | 0.14 |
| CO | 0.52 | 0.82 | 0.67 | 1 | −0.30 | −0.004 |
| Ozone | 0.20 | −0.25 | −0.14 | −0.30 | 1 | 0.47 |
| PM non-traffic | 0.74 | −0.01 | 0.14 | −0.01 | 0.47 | 1 |