Of the 2 surveys reviewed, 1 queried 82 hospitals with geriatric divisions for the presence of an ACE unit. Only 16 hospitals reported having an ACE unit.18 In the other survey, 18 hospitals with ACE units were surveyed to describe their ACE units (see Appendix A).25 Most hospitals that implemented ACE were urban or university hospitals. Importantly, hospital revenue was significantly associated with having an ACE unit; hospitals with higher revenues more often have ACE units.18 These survey findings describe the types and quantity of hospitals with ACE units.