Table 3 Hazard Ratio (HR) and 95% Confidence Interval (CI) for 10 mg/m3 increase in PM10 for the year of failure and for the distributed lag from the year of failure up to 3 previous years, across the 34 cities
From: Particulate air pollution and survival in a COPD cohort
HR | 95% CI | P-values | ||
|---|---|---|---|---|
PM 10 annual | 1.11 | 1.06 | 1.15 | 0.000 |
Distributed lag model | ||||
Lag 0 | 1.03 | 1.00 | 1.07 | 0.046 |
Lag 1 | 1.06 | 1.03 | 1.10 | 0.000 |
Lag 2 | 1.07 | 1.05 | 1.09 | 0.000 |
Lag 3 | 1.03 | 1.01 | 1.05 | 0.001 |
Sum lags 0–3 | 1.22 | 1.17 | 1.27 | 0.000 |