EEDI Descriptive Data:

Results for Bay of Plenty DHB

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

Bay of Plenty DHB

Hauora a Toi

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

  • Year
    • ED events per year have increased over time for both Māori (12.8% to 14.6%) and non-Māori (12.9% to 15.0%, 2006-2012).
  • Gender

    • The gender profile associated with all ED events was similar for Māori (50.4% males and 49.6% females) and non-Māori (51.7% males and 48.3% 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 (17.4% versus 9.6%) and 15-24 years (19.1% versus 14.4%). In comparison, a higher proportion of non-Māori ED events were seen in the older age groups, particularly in the 65-74 age group (10.0% versus 5.1%) and those aged ≥75 (18.1% versus 3.1%).
  • NZDep06
    • 67.9% of all Māori ED events were from the 3 most deprived deciles compared to 38.1% of non-Māori ED events.
    • The highest proportion of Māori ED events were from decile 10 (34.6%) and the highest proportion of non-Māori ED events were from decile 7 (16.0%).
    • The lowest proportion of Māori and non-Māori ED events were from decile 2 (0.8% versus 1.8%).

Characteristics of presentation (all ED events data).

  • Arrival mode
    • 85.4% of Māori ED events arrived via self-presentation compared to 74.5% of non-Māori ED events.

    • Non-Māori had a higher proportion of arrival into ED via ambulance, police and helicopter compared to Māori (25.3% versus 14.4%).

  • Referral type
    • 12.9% of Māori ED events were referred via a general practitioner compared to 18.5% of non-Māori.
    • Hospital transfer to ED made up less than 1% of referrals for both Māori and non-Māori (0.7% versus 0.4%).
    • Māori ED events had a higher proportion of self-referral compared to non-Māori (85.0% versus 79.5%).
  • Triage category
    • 0.4% of Māori ED events were triaged to be seen immediately compared to 0.5% of non-Māori ED events.
    • A higher proportion of non-Māori ED events were triaged to be seen within shorter timeframes compared to Māori. i.e. 10 minutes (10.8% versus 8.2%) and 30 minutes (38.8% versus 32.5%).
    • A higher proportion of Māori ED events were triaged to be seen within a longer timeframe compared to non-Māori ED events. i.e. 60 minutes (48.3% versus 41.9%) and 120 minutes (10.6% versus 8.1%).

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

  • The ED arrival to assessment time for Māori patients was 60 mins compared to 67 mins for non-Māori.
  • The ED LOS (Length of Stay) for Māori patients was 143 mins compared to 177 mins for non-Māori.
  • The ward LOS for Māori patients was 66 hours compared to 81 hours for non-Māori.
  • 5% of Māori patients encountered access block compared to 9% of non-Māori.
  • 0.4% of Māori patients died in ED or within 10 days of ED discharge compared to 0.6% of non-Māori patients.
  • 7% of Māori patients re-presented at ED within 72 hours of ED/ward discharge compared to 6% of non-Māori
  • 2% of both Māori and non-Māori patients had a hospital readmission within 72 hours of ED/ward discharge.

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 0.8 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 1.0 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 1.8 times the odds of death for non-Māori patients.

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