Ambulatory care sensitive conditions 1 Emergency departments 1 Safety net hospitals United States 1 accounting 1 adult 1 ambulatory care sensitive condition 1 article 1 comorbidity 1 controlled study 1 cross-sectional study 1 drug safety 1 eligibility 1 emergency ward 1 female 1 health care planning 1 human 1 male 1 medicare 1 profit 1 public hospital 1 retrospective study 1 safety net hospital 1