Fig. 2From: The short-term effects and burden of particle air pollution on hospitalization for coronary heart disease: a time-stratified case-crossover study in Sichuan, ChinaPercentage (95% CI) in HAs for CHD associated with an increase of 10 μg/m3 of PM10, and PM2.5 on single-day lags (from current day to 7 days before: lag 0-lag 7) and multi-day moving average lags (from lag 0-1 to lag 0-7 and lag 2-7)Back to article page