Zhang Y, Liu X, Kong D, et al. Int J Chron Obstruct Pulmon Dis. 2020;15:213–223.
The authors have advised due to an error at the time of figure assembly, Figure 4 on page 218 is incorrect. The correct Figure 4 is shown below.
Figure 4.
The effect of mean temperature (°C) and apparent temperature on AECOPD hospitalizations along days of lag. The black lines are relative risks and grey regions are 95% confidence intervals.
Notes: The definitions of extreme cold, moderate cold, moderate hot, and extreme hot temperatures are the same as those in the footnotes of Tables 3 and 4.
The authors apologize for this error and advise it does not affect the results of the paper.

