TABLE 2.
PERCENT INCREASE IN HEALTH EFFECTS ESTIMATES FOR PM2.5 LAG 0 AND RISK OF CARDIOVASCULAR HOSPITALIZATIONS AND RESPIRATORY HOSPITALIZATIONS PER INTERQUARTILE RANGE INCREASE IN THE FRACTION OF PM2.5 TOTAL MASS FOR EACH COMPONENT, WITH AND WITHOUT COPOLLUTANT ADJUSTMENT (95% POSTERIOR INTERVAL)
| Co-pollutant Adjustment | PM2.5 and CVD Hospital Admissions* | PM2.5 and Respiratory Hospital Admissions | |
|---|---|---|---|
| Elemental carbon (EC) | None | 25.8 (4.4 to 47.2)† | 511 (80.7 to 941) |
| Nickel | 14.0 (−7.6 to 35.5) | 399 (−45.1 to 843) | |
| Vanadium | 14.9 (−7.8 to 37.6) | 386 (−74.8 to 846) | |
| Nickel and vanadium | 11.9 (−10.4 to 43.2) | 362 (−98.0 to 823) | |
| Nickel | None | 19.0 (9.9 to 28.2) | 223 (36.9 to 410) |
| EC | 17.3 (7.7 to 26.9) | 176 (−18.7 to 370) | |
| Vanadium | 15.5 (4.1 to 26.9) | 151 (−78.4 to 381) | |
| EC and vanadium | 14.9 (3.4 to 26.4) | 136 (−94.9 to 368) | |
| Vanadium | None | 27.5 (10.6 to 44.4) | 392 (46.3 to 738) |
| EC | 23.1 (4.9 to 41.4) | 279 (−93.2 to 651) | |
| Nickel | 10.9 (−9.6 to 31.5) | 230 (−193.7 to 653) | |
| EC and nickel | 8.1 (−13.3 to 29.5) | 140 (−300 to 579) |
Definition of abbreviations: CVD = cardiovascular disease; EC = elemental carbon; PM2.5 = particulate matter with aerodynamic diameter ≤ 2.5 μm.
*
The correlation between the fractions of PM2.5 for each pair of components is 0.48 for nickel and vanadium, 0.33 for vanadium and EC, and 0.30 for nickel and EC.
†
Values in parentheses are interquartile ranges.