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You have the option of downloading the data that is used by the Hospital Compare tool onto your computer. The data will be downloaded as a zipped Microsoft Access 2000 database or as a .CSV file. This functionality is primarily used by health policy researchers and the media, and includes some additional information concerning hospital characteristics that is not displayed on the website. For information about hospitals in a particular geographical area, you should use the Hospital Compare tool instead of downloading the data.


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Data Collection Periods for Hospital Compare The chart below provides the current collection period for data displayed on Hospital Compare.


Hospital Measures Update Frequency Current Collection Dates for Available Measures
From Through
Hospital Process of Care Measures
Surgical Care Improvement Project Process of Care Measures
Outpatients having surgery who got an antibiotic at the right time - within one hour before surgery (higher numbers are better) Quarterly April 2010 March 2011
Outpatients having surgery who got the right kind of antibiotic (higher numbers are better) Quarterly April 2010 March 2011
Surgery patients who were taking heart drugs called beta blockers before coming to the hospital, who were kept on the beta blockers during the period just before and after their surgery Quarterly April 2010 March 2011
Surgery patients who were given an antibiotic at the right time (within one hour before surgery) to help prevent infection Quarterly April 2010 March 2011
Surgery patients who were given the right kind of antibiotic to help prevent infection Quarterly April 2010 March 2011
Surgery patients whose preventive antibiotics were stopped at the right time (within 24 hours after surgery) Quarterly April 2010 March 2011
Heart surgery patients whose blood sugar (blood glucose) is kept under good control in the days right after surgery Quarterly April 2010 March 2011
Surgery patients needing hair removed from the surgical area before surgery, who had hair removed using a safer method (electric clippers or hair removal cream – not a razor) Quarterly April 2010 March 2011
Surgery patients whose urinary catheters were removed on the first or second day after surgery. Quarterly April 2010 March 2011
Patients having surgery who were actively warmed in the operating room or whose body temperature was near normal by the end of surgery. Quarterly April 2010 March 2011
Surgery patients whose doctors ordered treatments to prevent blood clots after certain types of surgeries Quarterly April 2010 March 2011
Patients who got treatment at the right time (within 24 hours before or after their surgery) to help prevent blood clots after certain types of surgery Quarterly April 2010 March 2011
Heart Attack or Chest Pain Process of Care Measures
Average number of minutes before outpatients with chest pain or possible heart attack who needed specialized care were transferred to another hospital (a lower number of minutes is better) Quarterly April 2010 March 2011
Average number of minutes before outpatients with chest pain or possible heart attack got an ECG (a lower number of minutes is better) Quarterly April 2010 March 2011
Outpatients with chest pain or possible heart attack who got drugs to break up blood clots within 30 minutes of arrival (higher numbers are better) Quarterly April 2010 March 2011
Outpatients with chest pain or possible heart attack who got aspirin within 24 hours of arrival (higher numbers are better) Quarterly April 2010 March 2011
Heart Attack Patients Given Aspirin at Arrival Quarterly April 2010 March 2011
Heart Attack Patients Given Aspirin at Discharge Quarterly April 2010 March 2011
Heart Attack Patients Given ACE Inhibitor or ARB for Left Ventricular Systolic Dysfunction (LVSD) Quarterly April 2010 March 2011
Heart Attack Patients Given Smoking Cessation Advice/Counseling Quarterly April 2010 March 2011
Heart Attack Patients Given Beta Blocker at Discharge Quarterly April 2010 March 2011
Heart Attack Patients Given Fibrinolytic Medication Within 30 Minutes Of Arrival Quarterly April 2010 March 2011
Heart Attack Patients Given PCI Within 90 Minutes Of Arrival Quarterly April 2010 March 2011
Heart Attack Patients Given a Prescription for a Statin at Discharge Quarterly January 2011 March 2011
Pneumonia Process of Care Measures
Pneumonia Patients Assessed and Given Pneumococcal Vaccination Quarterly April 2010 March 2011
Pneumonia Patients Whose Initial Emergency Room Blood Culture Was Performed Prior To The Administration Of The First Hospital Dose Of Antibiotics Quarterly April 2010 March 2011
Pneumonia Patients Given Smoking Cessation Advice/Counseling Quarterly April 2010 March 2011
Pneumonia Patients Given Initial Antibiotic(s) within 6 Hours After Arrival Quarterly April 2010 March 2011
Pneumonia Patients Given the Most Appropriate Initial Antibiotic(s) Quarterly April 2010 March 2011
Pneumonia Patients Assessed and Given Influenza Vaccination Quarterly October 2010 March 2011
Heart Failure Process of Care Measures
Heart Failure Patients Given Discharge Instructions Quarterly April 2010 March 2011
Heart Failure Patients Given an Evaluation of Left Ventricular Systolic (LVS) Function Quarterly April 2010 March 2011
Heart Failure Patients Given ACE Inhibitor or ARB for Left Ventricular Systolic Dysfunction (LVSD) Quarterly April 2010 March 2011
Heart Failure Patients Given Smoking Cessation Advice/Counseling Quarterly April 2010 March 2011
Children's Asthma Process of Care Measures
Children Who Received Reliever Medication While Hospitalized for Asthma Quarterly April 2010 March 2011
Children Who Received Systemic Corticosteroid Medication (oral and IV Medication That Reduces Inflammation and Controls Symptoms) While Hospitalized for Asthma Quarterly April 2010 March 2011
Children and their Caregivers Who Received a Home Management Plan of Care Document While Hospitalized for Asthma Quarterly April 2010 March 2011
Hospital Outcome of Care Measures
Hospital Death (Mortality) Rates Outcome of Care Measures
Death Rate for Heart Attack Patients Annually July 2007 June 2010
Death Rate for Heart Failure Patients Annually July 2007 June 2010
Death Rate for Pneumonia Patients Annually July 2007 June 2010
Hospital Readmission Rates Outcome of Care Measures
Rate of Readmission for Heart Attack Patients Annually July 2007 June 2010
Rate of Readmission for Heart Failure Patients Annually July 2007 June 2010
Rate of Readmission for Pneumonia Patients Annually July 2007 June 2010
Use of Medical Imaging
Use of Medical Imaging
Outpatients with low back pain who had an MRI without trying recommended treatments first, such as physical therapy. (If a number is high, it may mean the facility is doing too many unnecessary MRIs for low back pain.) Annually January 2009 December 2009
Outpatients who had a follow-up mammogram or ultrasound within 45 days after a screening mammogram. (A number that is much lower than 8% may mean there’s not enough follow-up. A number much higher than 14% may mean there’s too much unnecessary follow-up.) Annually January 2009 December 2009
Outpatient CT scans of the chest that were “combination” (double) scans. (The range for this measure is 0 to 1. A number very close to 1 may mean that too many patients are being given a double scan when a single scan is all they need.) Annually January 2009 December 2009
Outpatient CT scans of the abdomen that were “combination” (double) scans. (The range for this measure is 0 to 1. A number very close to 1 may mean that too many patients are being given a double scan when a single scan is all they need.) Annually January 2009 December 2009
Survey of Patients' Hospital Experiences
Survey of Patients' Hospital Experiences
Patients who reported that their nurses "Always" communicated well. Quarterly April 2010 March 2011
Patients who reported that their doctors "Always" communicated well. Quarterly April 2010 March 2011
Patients who reported that they "Always" received help as soon as they wanted. Quarterly April 2010 March 2011
Patients who reported that their pain was "Always" well controlled. Quarterly April 2010 March 2011
Patients who reported that staff "Always" explained about medicines before giving it to them. Quarterly April 2010 March 2011
Patients who reported that their room and bathroom were "Always" clean. Quarterly April 2010 March 2011
Patients who reported that the area around their room was "Always" quiet at night. Quarterly April 2010 March 2011
Patients at each hospital who reported that YES, they were given information about what to do during their recovery at home. Quarterly April 2010 March 2011
Patients who gave their hospital a rating of 9 or 10 on a scale from 0 (lowest) to 10 (highest). Quarterly April 2010 March 2011
Patients who reported YES, they would definitely recommend the hospital. Quarterly April 2010 March 2011
Medicare Payment and Volume Data
Median Medicare Payment to Hospital Annually October 2009 September 2010
Number of Medicare Patients Treated Annually October 2009 September 2010
Structural Measures
Cardiac Surgery Resgistry Annually July 2010 December 2010
Stroke Care Registry Annually July 2010 December 2010
Nursing Care Registry Annually July 2010 December 2010
Patient Safety
Serious Complications and Deaths Annually October 2008 June 2010
Hospital Acquired Conditions Annually October 2008 June 2010
Healthcare Associated Infections (HAIs) Annually January 2011 March 2011


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