Associations between short-term exposure to particulate matter and ultrafine particles and myocardial infarction in Augsburg, Germany

Percent change in relative risk (RR) and 95% confidence intervals for daily cases of MI and coronary deaths per interquartile range (IQR) increase in ambient particulate matter <10 μm (PM10) and particle number concentration (PNCm+f) as indicator for ultrafine particles adjusted for time trend, current day and previous 3-day average temperature, season, and Monday (Augsburg area, Germany, 1995-2009).