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Effects of COVID-19 on Hospital Utilization Trends

Published by Department of Health Care Access and Information | State of California | Metadata Last Checked: January 27, 2026 | Last Modified: 2025-11-07T00:41:03.551777
With the onset of COVID-19, hospitals statewide saw a sharp drop in inpatient discharges, emergency department utilization, and ambulatory surgeries. These datasets contain monthly counts of encounters and in-hospital mortalities in those three settings and are also broken down by the following common health conditions/categories: anxiety, asthma, behavioral syndromes, cancer, cardiac arrest, chronic obstructive pulmonary disease (COPD), COVID-19, depression, diabetes, homeless, hypertension, mood disorders (excluding depression), non-mood psychotic disorders, nonpsychotic disorders (excluding anxiety), obesity, pneumonia, respiratory arrest/failure, sepsis, stroke, substance use disorders, and unspecified mental disorders.

Resources

11 resources available

  • Utilization Trends by Health Category

    CSV
  • In-Hospital Mortality Trends by Secondary Diagnosis

    CSV
  • In-Hospital Mortality Trends by Health Category

    CSV
  • Hospital Utilization Trends

    CSV
  • In-Hospital Mortality Trends by Diagnosis Type

    CSV
  • All resource data

    ZIP
  • In-Hospital Mortality Trends by Secondary Diagnosis Data Dictionary

    PDF
  • Utilization Trends by Health Category Data Dictionary

    PDF
  • In-Hospital Mortality Trends by Diagnosis Type Data Dictionary

    PDF
  • Hospital Utilization Trends Data Dictionary

    PDF
  • In-Hospital Mortality Trends by Health Category Data Dictionary

    PDF

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