Short term effects of temperature on risk of myocardial infarction in England and Wales: time series regression analysis of the Myocardial Ischaemia National Audit Project (MINAP) registry

An error went unnoticed in figure 3 of this paper by Bhaskaran and colleagues (BMJ 2010;341:c3823, doi:10.1136/bmj.c3823). In the bottom two categories (aspirin use versus non-use) the data for relative risk were transposed. This error was not in the print (pico) version.