Percent of Patients Having an Emergency Room Visit within 30 Days of Discharge, by Cohort and Race
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    (Click a region name
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    Percent of Patients Having an Emergency Room Visit within 30 Days of Discharge, by Cohort and Race
    (Cohort: All Medical Discharges; Race: Overall; Year: 2008-2009; Region Levels: HRR)
    White Plains, NY
    Syracuse, NY
    Rochester, NY
    Manhattan, NY
    Elmira, NY
    East Long Island, NY
    Buffalo, NY
    Bronx, NY
    Binghamton, NY
    Albany, NY
    Reno, NV
    Las Vegas, NV
    Albuquerque, NM
    Ridgewood, NJ
    Paterson, NJ
    Newark, NJ
    New Brunswick, NJ
    Morristown, NJ
    Hackensack, NJ
    Camden, NJ
    Manchester, NH
    Lebanon, NH
    Omaha, NE
    Lincoln, NE
    Winston-Salem, NC
    Wilmington, NC
    Raleigh, NC
    Hickory, NC
    Greenville, NC
    Durham, NC
    Missoula, MT
    Great Falls, MT
    Billings, MT
    Tupelo, MS
    Oxford, MS
    Meridian, MS
    Jackson, MS
    Hattiesburg, MS
    Gulfport, MS
    St. Louis, MO
    Springfield, MO
    Kansas City, MO
    Joplin, MO
    Columbia, MO
    Cape Girardeau, MO
    St. Paul, MN
    St. Cloud, MN
    Rochester, MN
    Minneapolis, MN
    Duluth, MN
    Traverse City, MI
    St. Joseph, MI
    Saginaw, MI
    Royal Oak, MI
    Pontiac, MI
    Petoskey, MI
    Muskegon, MI
    Marquette, MI
    Lansing, MI
    Kalamazoo, MI
    Grand Rapids, MI
    Flint, MI
    Detroit, MI
    Dearborn, MI
    Ann Arbor, MI
    Portland, ME
    Bangor, ME
    Takoma Park, MD
    Salisbury, MD
    Baltimore, MD
    Worcester, MA
    Springfield, MA
    Boston, MA
    Slidell, LA
    Shreveport, LA
    New Orleans, LA
    Monroe, LA
    Metairie, LA
    Lake Charles, LA
    Lafayette, LA
    Houma, LA
    Baton Rouge, LA
    Alexandria, LA
    Paducah, KY
    Owensboro, KY
    Louisville, KY
    Lexington, KY
    Covington, KY
    Wichita, KS
    Topeka, KS
    Terre Haute, IN
    South Bend, IN
    Munster, IN
    Muncie, IN
    Lafayette, IN
    Indianapolis, IN
    Gary, IN
    Fort Wayne, IN
    Evansville, IN
    Urbana, IL
    Springfield, IL
    Rockford, IL
    Peoria, IL
    Melrose Park, IL
    Joliet, IL
    Hinsdale, IL
    Evanston, IL
    Elgin, IL
    Chicago, IL
    Blue Island, IL
    Bloomington, IL
    Aurora, IL
    Idaho Falls, ID
    Boise, ID
    Waterloo, IA
    Sioux City, IA
    Mason City, IA
    Iowa City, IA
    Dubuque, IA
    Des Moines, IA
    Davenport, IA
    Cedar Rapids, IA
    Honolulu, HI
    Savannah, GA
    Rome, GA
    Macon, GA
    Columbus, GA
    Augusta, GA
    Atlanta, GA
    Albany, GA
    Tampa, FL
    Tallahassee, FL
    St. Petersburg, FL
    Sarasota, FL
    Pensacola, FL
    Panama City, FL
    Ormond Beach, FL
    Orlando, FL
    Ocala, FL
    Miami, FL
    Lakeland, FL
    Jacksonville, FL
    Hudson, FL
    Gainesville, FL
    Fort Myers, FL
    Fort Lauderdale, FL
    Clearwater, FL
    Bradenton, FL
    Wilmington, DE
    Washington, DC
    New Haven, CT
    Hartford, CT
    Bridgeport, CT
    Pueblo, CO
    Greeley, CO
    Grand Junction, CO
    Fort Collins, CO
    Denver, CO
    Colorado Springs, CO
    Boulder, CO
    Ventura, CA
    Stockton, CA
    Santa Rosa, CA
    Santa Cruz, CA
    Santa Barbara, CA
    San Mateo County, CA
    San Luis Obispo, CA
    San Jose, CA
    San Francisco, CA
    San Diego, CA
    San Bernardino, CA
    Salinas, CA
    Sacramento, CA
    Redding, CA
    Palm Springs/Rancho Mira, CA
    Orange County, CA
    Napa, CA
    Modesto, CA
    Los Angeles, CA
    Fresno, CA
    Contra Costa County, CA
    Chico, CA
    Bakersfield, CA
    Alameda County, CA
    Tucson, AZ
    Sun City, AZ
    Phoenix, AZ
    Mesa, AZ
    Texarkana, AR
    Springdale, AR
    Little Rock, AR
    Jonesboro, AR
    Fort Smith, AR
    Tuscaloosa, AL
    Montgomery, AL
    Mobile, AL
    Huntsville, AL
    Dothan, AL
    Birmingham, AL
    Anchorage, AK
    National Average
    90th Percentile 20.3%
    50th Percentile 18.7%
    10th Percentile 16.9%
        • All medical discharges: All medical DRGs

          All surgical discharges: All surgical DRGs

          Acute myocardial infarction (CMS definition (excluded one-day stay): principal diagnosis code (ICD-9) 410.00, 410.01, 410.10, 410.11, 410.20, 410.21, 410.30, 410.31, 410.40, 410.41, 410.50, 410.51, 410.60, 410.61, 410.70, 410.71, 410.80, 410.81, 410.90, and 410.91

          Congestive heart failure (CMS definition): principal diagnosis code (ICD-9) 402.01, 402.11, 402.91, 404.01, 404.03, 404.11, 404.13, 404.91, 404.93, 428.0, 428.1, 428.20, 428.21, 428.22, 428.23, 428.30, 428.31, 428.32, 428.33, 428.40, 428.41, 428.42, 428.43, and 428.9

          Pneumonia (CMS definition): principal diagnosis code (ICD-9) 480.0, 480.1, 480.2, 480.3, 480.8, 480.9, 481, 482.0, 482.1, 482.2, 482.30, 482.31, 482.32, 482.39, 482.40, 482.41, 482.42, 482.49, 482.81, 482.82, 482.83, 482.84, 482.89, 482.9, 483.0, 483.1, 483.8, 485, 486, 487.0, and 488.11

          Hip fracture (Dartmouth Atlas definition): principal diagnosis code (ICD-9) 820xx

        • 1) Outpatient claims: revenue center code: 0450-0459 (emergency room) and 0981 (professional fees-emergency room) and revenue center visit date not within an acute short-stay or critical access hospital claim that has emergency room payment; or 2) Hospital claims: Any acute short-stay or critical access hospital claims from the MedPAR file with emergency room payment and did not have associated Outpatient claims defined as above.

        • ADJUSTMENTS:
        • Rates are adjusted for age, sex and race using the indirect method, using the U.S. Medicare population for each cohort as the standard.


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    The Dartmouth Atlas of Health Care is based at The Dartmouth Institute for Health Policy and Clinical Practice and is supported by a coalition of funders led by the Robert Wood Johnson Foundation, including the WellPoint Foundation, the United Health Foundation, the California HealthCare Foundation, and the Charles H. Hood Foundation.