. 2022 Oct 14;101(41):e31012. doi: 10.1097/MD.0000000000031012
Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.
This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
Distribution of cognitive levels.