ED-high-acuity-proportion - Health Quality Ontario (HQO)

Field Definitions Add to compare

INDICATOR NAME

Name

Proportion of emergency department (ED) visits by high acuity patients

Alternate Name

Proportion of ED Visits by patients who are high acuity

INDICATOR DESCRIPTION

Description

This indicator measures the proportion of emergency department visits by patients who are high acuity.

Indicator Status

Active

HQO Reporting tool/product

Public Reports (annual report, bulletins and theme reports)

Dimension

Timely

Type

Process

DEFINITION AND SOURCE INFORMATION

Unit of Measurement

Percentage

Calculation Methods

Numerator divided by the denominator times 100

Numerator including inclusion/exclusion

The number of ED patients in the denominator who are assigned high acuity at triage

Denominator including inclusion/exclusion

The total number of patients that completed an emergency department (ED) visit

Inclusion criteria:
Unscheduled emergency visits with a valid and known registration time or triage time and a valid and known initial assessment time.

Exclusion criteria:
1. Cases where Registration date/time and Triage date/time are both blank/unknown
2. Cases where the MIS functional centre under Emergency Trauma, Observation, or Mental Health Services (as of January 2015 data)
3. Duplicate cases within the same functional centre where all ED data elements have the same values except for Abstract ID number

4. Cases where ED visit indicator is = "0" (i.e. scheduled ED visit)

5. When ONLY PIA date/time are completed:
· Cases where PIA date/time are blank/unknown
· Cases where time to PIA is greater than or equal to 100,000 minutes (1,666 hours)
· Cases where PIA date/time is AFTER Disposition date/time or Patient left ED date/time
6. When ONLY NPIA date/time and service are complete:
· Cases where NPIA date/time are blank/unknown
· Cases where NPIA service are blank/unknown
· Cases where NPIA service is NOT Nurse Practitioner, Physician Assistant, or Dentist
· Cases where NPIA is AFTER Disposition date/time or Patient left ED date/time
· Cases where Time to PIA is great than or equal to 100,000 minutes (1,666 hours)
7. When PIA date/time and NPIA date/time and service are complete:
· Cases where both PIA and NPIA date/time are blank/unknown
· Cases where NPIA service is NOT Nurse Practitioner, Physician Assistant, or Dentist
· Cases where Time to PIA is greater than or equal to 100,000 minutes (1,666 hours)

Data Source

National Ambulatory Care Reporting System (NACRS)

Data provided to HQO by

Cancer Care Ontario (CCO)

Reported Levels of comparability /stratifications (defined)

Acuity Level

OTHER RELEVANT INFORMATION

Caveats and Limitations

1. Scheduled visits to the ED are excluded from this indicator. 2. This indicator reflects the proportion of ED visits, which does not necessarily equal the proportion of individuals.