Skip to main content
. 2018 Feb 1;8:2083. doi: 10.1038/s41598-018-20374-5

Figure 1.

Figure 1

Flowchart of patient selection in the present study. Among a total of 6,452 visually impaired participants, those with a history of depression prior to visual impairment (n = 161) and those who could not be matched with a sufficient number of control participants (n = 445) were excluded. Data from 5,846 visually impaired participants and 23,384 control participants were subsequently analyzed.