Patient Demographics by Continuity and Stratification by Continuity of Care Levels.

Abbreviations: IQR, interquartile range; MI, myocardial infarction; COPD, chronic obstructive pulmonary disease; TIA, transient ischemic attack; PTSD, post-traumatic stress disorder; ED, emergency department.aSixty-nine percent were missing this variable.bComposite of major depression, bipolar, schizophrenia and PTSD.cBecause of the small number of veterans in these groups, they were combined: active military personnel, CAV/NPS, ChampVA spouse and children, non-Veteran humanitarian groups, merchant marines, and Tricare.dAmong ED visits that took place between Monday and Friday.