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. 2020 Oct 5;7:52. doi: 10.1186/s40621-020-00278-7

Table 1.

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

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

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