Correction to “Low-value preoperative cardiac testing before low-risk surgical procedures: a population-based cohort study”
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An error occurred in an article published May 23, 2023.1

The vertical axis in Figure 3 had Zone 3 mislabelled as urban rather than rural. This has been corrected at cmajopen.ca.

## Reference

1.  Zare-Zadeh S, Manns BJ, Chew DS, et al. (2023) Low-value preoperative cardiac testing before low-risk surgical procedures: a population-based cohort study. CMAJ Open 11:E451–8.
    
    [Abstract/FREE Full Text](http://www.cmajopen.ca/lookup/ijlink/YTozOntzOjQ6InBhdGgiO3M6MTQ6Ii9sb29rdXAvaWpsaW5rIjtzOjU6InF1ZXJ5IjthOjQ6e3M6ODoibGlua1R5cGUiO3M6NDoiQUJTVCI7czoxMToiam91cm5hbENvZGUiO3M6NToiY21ham8iO3M6NToicmVzaWQiO3M6OToiMTEvMy9FNDUxIjtzOjQ6ImF0b20iO3M6MjE6Ii9jbWFqby8xMS8zL0U0ODUuYXRvbSI7fXM6ODoiZnJhZ21lbnQiO3M6MDoiIjt9) 

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