Observational Study
Copyright ©The Author(s) 2020.
World J Orthop. Feb 18, 2020; 11(2): 90-106
Published online Feb 18, 2020. doi: 10.5312/wjo.v11.i2.90
Figure 1
Figure 1 The chart shows International Classification of Diseases, Ninth Revision, Clinical Modification codes used for the diagnosis of postoperative delirium.
Figure 2
Figure 2 The graph shows the incidence of postoperative delirium by year from 2009 to 2014.