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Table 1 Discharge (hazard) ratio to Patient Demographics (Gender, Age Range, ARIA and SES)

From: Factors contributing to longer length of stay in Aboriginal and Torres Strait Islander children hospitalised for burn injury

Aboriginal & Torres Strait Islander Children

Discharge Ratio:

Stage 1

Patient characteristics

Stage 2

Injury Cause

Stage 3

Injury Severity

Stage 4

Treatment

Gender

 Male

1.1 (0.9–1.3)

1.1 (0.9–1.2)

1.1 (1.0–1.3)

1.2 (1.0–1.4)

 Female

Reference

Reference

Reference

Reference

Age Range

 Less than 1 year

1.1 (0.8–1.6)

1.4 (1.0–2.0)

1.0 (0.7–1.4)

1.00 (0.7–1.4)

 1 to 4 years

0.9 (0.7–1.1)

1.0 (0.8–1.2)

0.9 (0.7–1.1)

0.9 (0.7–1.1)

 5 to 9 years

1.1 (0.9–1.4)

1.1 (0.8–1.4)

0.9 (0.7–1.2)

0.9 (0.7–1.2)

 10 to 15 years

Reference

Reference

Reference

Reference

Remote Area Index

 Metropolitan (RA1)

Reference

Reference

Reference

Reference

 Inner Regional (RA2)

1.0 (0.8–1.3)

1.1 (0.8–1.4)

1.0 (0.7–1.3)

1.0 (0.7–1.3)

 Outer Regional (RA3)

1.3 (1.0–1.6)

1.3 (1.1–1.6)

1.5 (1.2–1.9)

1.8 (1.4–2.3)

 Remote (RA4)

1.7 (1.3–2.2)

1.8 (1.4–2.3)

1.9 (1.5–2.5)

2.4 (1.9–3.2)

 Very Remote (RA5)

1.6 (1.2–2.1)

1.7 (1.3–2.3)

2.0 (1.5–2.7)

2.6 (1.9–3.5)

Index of Relative Socio-Economic Advantage and Disadvantage

 Very Low (1, 2)

1.2 (0.9–1.7)

1.2 (0.8–1.6)

0.9 (0.7–1.3)

0.9 (0.6–1.3)

 Low (3, 4)

1.1 (0.8–1.6)

1.1 (0.8–1.6)

0.9 (0.6–1.3)

0.9 (0.6–1.3)

 Middle (5, 6)

1.0 (0.7–1.4)

0.9 (0.6–1.3)

0.8 (0.5–1.1)

0.8 (0.5–1.1)

 High (7, 8)

1.1 (0.7–1.6)

1.0 (0.7–1.5)

0.8 (0.5–1.1)

0.8 (0.5–1.2)

 Very High (9, 10)

Reference

Reference

Reference

Reference

Other Australian Children

 Gender

  Male

1.0 (0.9–1.0)

1.0 (0.9–1.0)

0.9 (0.9–1.00)

1.0 (0.9–1.0)

  Female

Reference

Reference

Reference

Reference

 Age Range

  Less than 1 year

0.9 (0.8–1.0)

1.0 (0.9–1.2)

1.0 (0.9–1.1)

1.0 (0.9–1.1)

  1 to 4 years

0.9 (0.8–1.0)

1.0 (0.9–1.1)

1.0 (0.9–1.0)

0.9 (0.9–1.0)

  5 to 9 years

1.0 (0.9–1.1)

1.0 (1.0–1.1)

1.0 (0.9–1.1)

1.0 (0.9–1.1)

  10 to 15 years

Reference

Reference

Reference

Reference

 Remote Area Index

  Metropolitan (RA1)

Reference

Reference

Reference

Reference

  Inner Regional (RA2)

1.1 (1.1–1.2)

1.2 (1.1–1.3)

1.2 (1.1–1.3)

1.2 (1.1–1.3)

  Outer Regional (RA3)

1.4 (1.3–1.5)

1.5 (1.3–1.6)

1.6 (1.4–1.7)

1.5 (1.4–1.7)

  Remote (RA4)

1.6 (1.3–1.9)

1.7 (1.5–2.1)

1.9 (1.6–2.2)

1.9 (1.6–2.3)

  Very Remote (RA5)

1.6 (1.2–2.1)

1.9 (1.5–2.5)

2.2 (1.7–2.9)

2.2 (1.7–2.9)

 Index of Relative Socio-Economic Advantage and Disadvantage

  Very Low (1, 2)

1.1 (1.0–1.2)

1.0 (0.9–1.1)

1.0 (0.9–1.1)

0.9 (0.9–1.0)

  Low (3, 4)

1.0 (1.0–1.1)

1.00 (0.9–1.1)

1.0 (0.9–1.1)

0.9 (0.9–1.0)

  Middle (5, 6)

1.1 (1.0–1.2)

1.1 (1.0–1.1)

1.0 (1.0–1.1)

1.0 (0.9–1.1)

  High (7, 8)

1.1 (1.0–1.2)

1.1 (1.0–1.2)

1.1 (1.0–1.2)

1.1 (1.0–1.2)

  Very High (9, 10)

Reference

Reference

Reference

Reference

  1. Discharge ratios is the hazard ratio. A discharge ratio > 1.0, signifies statistically significant longer LOS over the reference variable. Statistically significant results are bolded