Figure 1
From: Risk factors associated with suicide among esophageal carcinoma patients from 1975 to 2016
The flow diagram of patient selection (Description: There are steps of how to identify 161 suicidal patients from 90,864 esophageal cancer patients in Surveillance, Epidemiology, and End Results program during 1975–2016; SEER*Stat software, version 8.3.6, http://www.seer.cancer.gov/seerstat/; Microsoft Word software, version 16.0.14131.20296, https://www.microsoft.com/zh-cn/download/).
