Fig. 1
From: Insomnia symptoms and the risk of all-cause mortality among stroke survivors
Flowchart of stroke survivors鈥� inclusion process. a Transient ischemic attack (TIA), unknown stroke status (don鈥檛 know, refuse), have never been told that they had a stroke. b New eligible are participants who were not in the initial interview of 2002 or participants who developed a stroke later and became eligible. Baseline characteristics including insomnia symptoms were assessed after stroke diagnosis