Table 2.
Association Between PM2.5 and Major Adverse Cardiovascular Events in Subgroups
| Adjusted HR for MACE (95% CI) | P Value for Interaction | |
|---|---|---|
| Overall | 1.18 (1.02-1.37) | |
| Age | 0.52 | |
| <70 y | 1.19 (1.00-1.41) | |
| ≥70 y | 1.11 (0.86-1.44) | |
| Race | 0.70 | |
| White | 1.34 (1.13-1.59) | |
| Black | 1.24 (0.75-2.04) | |
| Nonelective surgery | 0.05 | |
| No | 1.34 (1.13-1.58) | |
| Yes | 0.98 (0.74-1.30) | |
| Chronic kidney disease | ||
| Yes | 1.10 (0.84-1.43) | 0.21 |
| No | 1.40 (1.20-1.65) | |
| Diabetes | ||
| Yes | 1.29 (1.07-1.56) | 0.54 |
| No | 1.23 (1.00-1.50) | |
| LVEF | ||
| <40% | 1.30 (1.09-1.54) | 0.83 |
| ≥40% | 1.25 (0.98-1.60) | |
| Social deprivation index | 0.15 | |
| Quartile 1 | 1.09 (0.75-1.57) | |
| Quartile 2 | 1.15 (0.86-1.55) | |
| Quartile 3 | 1.16 (0.88-1.52) | |
| Quartile 4 | 1.32 (1.02-1.72) |
LVEF = left ventricular ejection fraction; MACE = major adverse cardiovascular events.