EEDI Descriptive Data:

Results for West Coast DHB

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

West Coast DHB

Te Poari Hauora a Rohe o Tai Poutini

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

  • Year

    • ED events per year have increased over time for both Māori (5.9% to 16.6%, 2006-2012) and non-Māori (5.8% to 15.5%, 2006-2012).

  • Gender
    • The gender profile for Māori ED events was 53.2% males and 46.8% females compared to 56.6% males and 43.4% females for non-Māori ED events.
  • 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 (12.8% versus 6.8%), 10-14 years (11.4% versus 6.2%) and 15-24 years (25.9% versus 17.0%). In comparison, a higher proportion of non-Māori ED events were seen in the older age groups, particularly those aged 55-64 years (11.0% versus 6.3%), 65-74 years (8.6% versus 2.8%) and ≥75 (10.1% versus 1.9%).

  • NZDep06
    • 39.9% of all Māori ED events were from the 3 most deprived deciles compared to 33.6% of non-Māori ED events.
    • The highest proportion of ED events for both Māori and non-Māori were from decile 9 (27.8% versus 23.1%).
    • The lowest proportion of ED events for both Māori and non-Māori were from decile 10 (1.5% and 0.6%).

Characteristics of presentation (all ED events data).

  • Arrival mode
    • 87.9% of Māori ED events arrived via self-presentation compared to 85.0% of non-Māori ED events.
    • Non-Māori had a higher proportion of arrival into ED via ambulance, helicopter and police compared to Māori (14.5% versus 11.4%).
  • Referral type
    • 8.9% of Māori ED events were via a general practitioner compared to 10.0% of non-Māori.
    • 87.8% of Māori ED events were via self-referral compared to 86.5% of non-Māori.
  • Triage category
    • 0.2% of both Māori and non-Māori ED events were triaged to be seen immediately.
    • A similar proportion of Māori and non-Māori were triaged to be seen within 10 minutes (3.2% versus 3.6%), 30 minutes (22.7% versus 23.9%), 60 minutes (40.0% versus 39.3%) and 120 minutes (33.1% versus 32.5%).

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

  • The average ED arrival to assessment time for Māori patients was 37 mins compared to 36 mins for non-Māori.
  • The ED LOS (Length of Stay) for Māori patients was 89 mins compared to 93 mins for non-Māori.
  • The ward LOS for Māori patients was 53 hours compared to 77 hours for non-Māori.
  • Access block – n/a
  • 0.2% of Māori patients died in ED or within 10 days of ED discharge compared to 0.6% of non-Māori patients.
  • 14% of Māori patients re-presented at ED within 72 hours of ED/ward discharge compared to 12% of non-Māori.
  • 2% of Māori patients had a hospital readmission within 72 hours of ED/ward discharge compared to 1% 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:

  • Access block – data not available.
  • The odds of ED re-presentation within 72 hours of ED/ward discharge for Māori patients is 1.2 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 1.4 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 1.1 times the odds of death for non-Māori patients.

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