EEDI Descriptive Data:

Results for Wairarapa DHB

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

Wairarapa DHB

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

  • Year

    • ED events per year have increased over time for both Māori (12.8% to 14.1%, 2006-2012) and non-Māori (12.3% to 13.5%, 2006-2012).

  • Gender
    • The gender profile associated with all ED events was similar for Māori (51.4% males and 48.6% females) and non-Māori (52.9% males and 47.1% 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 (17.5% versus 8.0%) and 15-24 years (21.6% versus 14.9%). In comparison, a higher proportion of non-Māori ED events were seen in the older age groups, particularly in the 65-74 age group (9.7% versus 4.4%) and those aged ≥75 (13.5% versus 2.6%).

  • NZDep06
    • 44.2% of all Māori ED events were from the 3 most deprived deciles compared to 33.3% of non-Māori ED events.
    • The highest proportion of Māori and non-Māori ED events were from decile 7 (34.3% versus 33.2%).
    • The lowest proportion of Māori and non-Māori ED events were from decile 5 (0.5% versus 0.7%).

Characteristics of presentation (all ED events data).

  • Arrival mode
    • 84.0% of Māori ED events arrived via self-presentation compared to 77.9% of non-Māori ED events.
    • Non-Māori had a higher proportion of arrival into ED via ambulance, police and helicopter compared to Māori (16.9% versus 11.2%).
  • Referral type
    • 15.1% of Māori ED events were referred via a general practitioner compared to 18.8% of non-Māori.
    • Māori ED events had a higher proportion of self-referral compared to non-Māori (80.0% versus 76.0%).
  • Triage category
    • 0.3% of Māori ED events were triaged to be seen immediately compared to 0.2% of non-Māori ED events.
    • 5.6% of Māori ED events were triaged to be seen within 10 minutes compared to 5.9% of non-Māori ED events.
    • 32.6% of Māori ED events were triaged to be seen within 30 minutes compared to 32.9% of non-Māori.
    • A slightly higher proportion of Māori ED events were triaged to be seen within 60 minutes compared to non-Māori (38.9% versus 37.8%).
    • A very similar proportion of Māori and non-Māori ED events were triaged to be seen within 120 minutes (21.8% versus 22.2%).

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 35 mins.
  • The ED LOS (Length of Stay) for Māori patients was 128 mins compared to 141 mins for non-Māori.
  • The ward LOS for Māori patients was 58 hours compared to 99 hours for non-Māori.
  • 1% of both Māori and non-Māori patients encountered access block.
  • 0.3% of Māori patients died in ED or within 10 days of ED discharge compared to 0.6% of non-Māori patients.
  • 13% of Māori patients re-presented at ED within 72 hours of ED/ward discharge compared to 12% 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 1.0 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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