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Table 3 Leading ICD Chapters for Aboriginal and non-Aboriginal episodes, by frequent use intensity and duration, 2005–2013

From: Frequent use of hospital inpatient services during a nine year period: a retrospective cohort study

Aboriginal

Non-Aboriginal

Single FU year

 v high usersa (%) n = 4 871

(%) n = 10 577

  21.2

health status & health services factors

 38.4

health status & health services factors

  12.2

pregnancy-related conditions

 10.0

neoplasms

  10.3

injury, poisoning & external causes

 9.2

pregnancy-related conditions

 high usersb (%) n = 15 592

(%) n = 16 067

  19.0

pregnancy-related conditions

 20.2

pregnancy-related conditions

  16.4

injury, poisoning & external causes

 11.0

health status & health services factors

  8.9

respiratory diseases

 8.8

digestive system diseases

 often usersc (%) n = 17 633

(%) n = 17 698

  19.1

pregnancy-related conditions

 19.6

pregnancy-related conditions

  18.3

injury, poisoning & external causes

 11.4

diseases of the digestive system

  8.8

respiratory diseases

 9.4

injury, poisoning & external causes

Multiple FU years

 v high users (%) n = 12 216

(%) n = 10 973

  19.9

respiratory diseases

 35.2

health status & health services factors

  13.6

symptoms, & abnormal findings, not elsewhere classified

 11.7

endocrine diseases

  10.6

injury, poisoning & external causes

 8.2

blood & blood forming organs diseases

 high users (%) n = 28 009

(%) n = 13 025

  18.2

injury, poisoning & external causes

 11.0

symptoms & abnormal findings, not elsewhere classified

  14.4

respiratory diseases

 10.0

circulatory system diseases

  9.6

Symptoms & abnormal findings, not elsewhere classified

 10.0

respiratory diseases

 often users (%) n = 12 216

(%) n = 6 613

  18.5

injury, poisoning & external causes

 11.3

respiratory diseases

  11.8

respiratory diseases

 10.9

symptoms & abnormal findings, not elsewhere classified

  10.2

pregnancy-related conditions

 10.5

circulatory system diseases

  1. avery high users - average 8+ episodes per FU year
  2. bhigh users - average 5.0–7.9 episodes per FU year
  3. coften users - average 4.0–4.9 episodes per FU year