EEDI Descriptive Data:

Results for Whanganui DHB

Descriptive variables: Nationwide
Descriptive & Outcome Variables: By DHB
Outcome Variables: Nationwide

Whanganui DHB

Population/socio-demographic characteristics (all ED events data).

  • Year

    • ED events per year have increased slightly over time for both Māori (14.0% to 14.7%, 2006-2012) and non-Māori (13.5% to 14.4%, 2006-2012).

  • Gender
    • The gender profile associated with all ED events was similar for Māori (48.6% males and 51.4% females) and non-Māori (51.1% males and 48.9% females).
  • Age

    • A higher proportion of Māori ED events were seen in the younger age groups, compared to non-Māori, particularly those aged 0-4 years (17.6% versus 7.4%) and 15-24 years (19.8% versus 14.1%). In comparison, a higher proportion of non-Māori ED events were seen in the older age groups, particularly those aged 65-74 (11.3% versus 5.5%) and those aged ≥75 (19.7% versus 3.5%).

  • NZDep06
    • 78.3% of all Māori ED events were from the 3 most deprived deciles compared to 61.3% of non-Māori ED events.
    • The highest proportion of ED events for both Māori and non-Māori were from decile 10 (50.1% versus 31.4%).
    • The lowest proportion of ED events for Māori were from decile 1 (1.0%) and the lowest proportion of ED events for non-Māori were from decile 6 (3.5%).

Characteristics of presentation (all ED events data).

  • Arrival mode
    • 60.9% of Māori ED events arrived via self-presentation compared to 52.7% of non-Māori ED events.
    • Non-Māori had a higher proportion of arrival into ED via ambulance, police and helicopter compared to Māori (26.2% versus 18.9%).
  • Referral type
    • 12.8% of Māori ED events were via general practitioner compared to 13.4% of non-Māori ED events.
    • 0.1% of both Māori and non-Māori ED events were via hospital transfer.
    • 78.9% of Māori ED events were through self-referral compared to 78.0% of non-Māori.
  • Triage category
    • 0.4% of Māori ED events were triaged to be seen immediately compared to 0.3% of non-Māori ED events.
    • 5.8% of both Māori and non-Māori ED events were triaged to be seen within 10 minutes.
    • 34.6% of Māori ED events were triaged to be seen within 30 minutes compared to 35.4% of non-Māori ED events.
    • 39.6% of Māori ED events were triaged to be seen within 60 minutes compared to 40.0% of non-Māori ED events.
    • A slightly higher proportion of Māori ED events were triaged to be seen within 120 minutes compared to non-Māori (19.6% versus 18.5%).

Predictors/markers of care (First ED events data, average/mean).

  • The average ED arrival to assessment time for both Māori and non-Māori patients was 24 mins.
  • The ED LOS (Length of Stay) for Māori patients was 151 mins compared to 176 mins for non-Māori.
  • The ward LOS for Māori patients was 59 hours compared to 89 hours for non-Māori.
  • 5% of Māori patients encountered access block compared to 8% of non-Māori.
  • 0.4% of Māori patients died in ED or within 10 days of ED discharge compared to 0.7% of non-Māori patients.
  • 9% of both Māori and non-Māori patients re-presented at ED within 72 hours of ED/ward discharge.
  • 3% of Māori patients had a hospital readmission within 72 hours of ED/ward discharge compared to 2% of non-Māori patients.

Regression models (First ED events data).

After controlling for year, gender, age at presentation, triage category, NZDep decile, and M3 Index score:

  • The odds of access block for Māori patients is 1.0 times the odds of access block for non-Māori patients.
  • The odds of ED re-presentation within 72 hours of ED/ward discharge for Māori patients is 1.1 times the odds of re-presentation for non-Māori patients.
  • The odds of hospital readmission within 72 hours of ED/ward discharge for Māori patients is 1.2 times the odds of readmission for non-Māori patients.
  • The odds of death for Māori patients in ED or within 10 days of ED discharge is 1.6 times the odds of death for non-Māori patients.

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