Fig. 1From: Development and Evaluation of Rehabilitation Service Areas for the United StatesFlowchart of the study methods for creating Rehabilitation Service Areas including steps of Ward’s clustering method. “States” refers to US states, CA California, FL Florida, MT Montana, ND North Dakota, NY New York, TX Texas, ZCTA ZIP [Zone Improvement Plan] Code Tabulation Area, PAC Post-acute care, RSA Rehabilitation Service Area, CMS Centers for Medicare and Medicaid ServicesBack to article page