Association Between Continuity of Care and Emergency Department Utilization.

Abbreviations: ED, emergency department; PY, per-year; CI, confidence interval; IQR, interquartile range; OR, odds ratio; AOR, adjusted odds ratio; COPD, chronic obstructive pulmonary disease; TIA, transient ischemic attack; PTSD, post-traumatic stress disorder; ED, emergency department; PCP, primary care provider.aThe adjusted model excluded 1289 (9.6%) patients because they were missing one or more variables in the model.bContinuity of care levels were excluded because of potential for colinearity with the main outcome of interest, overall continuity.cReference value.dBecause 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.