Table 3.
Number and proportion of ED presentations, hospital admissions in the last year of life and cause of death observed in ID cohort and matched comparison cohort and stratified by ICD-10-AM diagnostic categories (matched strata weights applied)
| Diagnostic categories Disorders involving |
ED presentations | Hospital admissions* | Cause of death | |||||||||
| Matched cohort | ID cohort | Matched cohort | ID cohort | Matched cohort | ID cohort | |||||||
| N† | % | N | % | N† | % | N | % | N† | % | N | % | |
| Infectious/parasitic disease | 1255 | 1.7 | 46 | 2.4 | 1821 | 1.0 | 59 | 2.4 | 467 | 1.6 | 15 | 2.5 |
| Cancers | 3207 | 4.4 | 38 | 2.0 | 23 915 | 13.3 | 183 | 7.5 | 9272 | 31.2 | 103 | 17.4 |
| Blood/immune system | 1365 | 1.9 | 20 | 1.0 | 3860 | 2.1 | 50 | 2.1 | 63 | 0.2 | 2 | 0.3 |
| Endocrine | 1447 | 2.0 | 43 | 2.2 | 3197 | 1.8 | 61 | 2.5 | 1121 | 3.8 | 37 | 6.3 |
| Mental | 4377 | 6.0 | 182 | 9.5 | 4307 | 2.4 | 80 | 3.3 | 669 | 2.3 | 24 | 4.1 |
| Nervous system | 2020 | 2.8 | 75 | 3.9 | 1657 | 0.1 | 59 | 2.4 | 944 | 3.2 | 82 | 13.9 |
| Circulatory | 8497 | 11.6 | 134 | 7.0 | 6958 | 3.9 | 119 | 4.9 | 6185 | 20.8 | 116 | 19.6 |
| Respiratory | 8603 | 11.8 | 342 | 17.8 | 7609 | 4.2 | 298 | 12.2 | 1712 | 5.8 | 62 | 10.5 |
| Digestive | 6578 | 9.0 | 165 | 8.6 | 6488 | 3.6 | 123 | 5.1 | 1327 | 4.5 | 32 | 5.4 |
| Subcutaneous | 1215 | 1.7 | 46 | 2.4 | 1192 | 0.7 | 37 | 1.5 | 35 | 0.1 | 6 | 1.0 |
| Musculoskeletal | 2941 | 4.0 | 39 | 2.0 | 1938 | 1.1 | 29 | 1.1 | 155 | 0.5 | 2 | 0.3 |
| Genitourinary | 3102 | 4.2 | 80 | 4.2 | 2342 | 1.3 | 53 | 2.2 | 355 | 1.2 | 13 | 2.2 |
| Congenital | 16 | <0.1 | 0 | 0 | 28 | <0.1 | 2 | <0.1 | 59 | 0.2 | 43 | 7.3 |
| Symptoms, signs | 8332 | 11.4 | 237 | 12.4 | 5974 | 3.3 | 120 | 4.9 | 431 | 1.5 | 6 | 1.0 |
| Injury, poisoning | 8560 | 11.7 | 174 | 9.1 | 5626 | 3.1 | 102 | 4.2 | 108 | 0.4 | 1 | 0.2 |
| External causes | 47 | <0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 6788 | 22.9 | 46 | 7.8 |
| Health status factors | 6687 | 9.1 | 194 | 10.1 | 102 252 | 56.8‡ | 1047 | 43.0§ | 0 | 0 | 0 | 0 |
| Other¶ | 1221 | 1.7 | 16 | 0.1 | 1006 | 0.6 | 11 | 0.4 | 0 | 0 | 1 | 0.2 |
| Not stated/missing | 3730 | 5.1 | 86 | 4.5 | 0 | 0 | 0 | 0 | 24 | 0 | 0 | 0 |
| Total | 73 201 | 1917 | 180 141 | 2433 | 29 713 | 591 | ||||||
*Primary reason for admission.
†Matched strata weights applied; therefore, values for N are those estimated as if the comparison cohort had the same age, sex, socioeconomic, partner, indigenous and country of birth structure as the intellectual disability.
‡Includes dialysis (47%) and chemotherapy (45%).
§Includes dialysis (82%) and chemotherapy (15%).
¶Includes conditions related to eye and adnexa, ear and mastoid processes, pregnancy and conditions arising in the perinatal period.
ED, emergency department; ICD-10-AM, International Classification of Diseases–Australian Modification; ID, intellectual disability.