Mean number of admissions and days spent in hospital up to 5 years of age for neonatal survivors among cohort of children born in WA 1983–92 by principal diagnosis and ID status
| Clinically relevant category | Intellectual disability associated with ASD (n = 191) | Medically diagnosed intellectual disability (n = 604) | Severe intellectual disability (n = 223) | Mild or moderate intellectual disability (n = 2111) | Intellectual disability unspecified (n = 393) | No intellectual disability (n = 238317) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean no. of admissions per child | Mean no. of days per admission | Mean no. of admissions per child | Mean no. of days per admission | Mean no. of admissions per child | Mean no. of days per admission | Mean no. of admissions per child | Mean no. of days per admission | Mean no. of admissions per child | Mean no. of days per admission | Mean no. of admissions per child | Mean no. of days per admission | |
| ***p = 0.0000; **p<0.001; *p<0.05 compared with children with no intellectual disability. | ||||||||||||
| All categories | 3.0** | 3.2 | 7.6*** | 5.9*** | 8.8*** | 5.7*** | 4.3*** | 5.4*** | 4.8*** | 6.3*** | 2.2 | 3.8 |
| Infections | 2.0 | 2.6 | 3.4*** | 4.7*** | 3.7*** | 4.7*** | 2.6*** | 3.8*** | 2.6*** | 4.3*** | 1.7 | 2.9 |
| Respiratory | 2.1 | 2.7 | 2.9*** | 6.0*** | 2.6* | 4.9*** | 2.2** | 3.9*** | 2.6** | 5.6*** | 1.8 | 2.7 |
| Gastrointestinal tract | 1.3 | 3.1 | 2.1*** | 5.9*** | 2.2*** | 5.8*** | 1.8*** | 5.1*** | 2.0*** | 6.5*** | 1.3 | 3.4 |
| Central nervous system | 2.0 | 5.8 | 3.0*** | 5.8*** | 4.2*** | 5.1* | 3.1*** | 4.1 | 2.9** | 7.5*** | 1.6 | 3.9 |
| Mental | 1.1 | 1.7 | 1.3 | 7.1*** | 1.2 | 4.0 | 1.1 | 4.3** | 1.4* | 1.7 | 1.1 | 3.1 |
| Congenital abnormalities | 1.1 | 3.1 | 2.2*** | 8.6*** | 2.1** | 7.1 | 1.7* | 7.6*** | 2.0* | 8.0* | 1.4 | 5.3 |
| Oral cavity | 1.0 | 0.5 | 1.1 | 1.6* | 1.2 | 1.2 | 1.2 | 1.3 | 1.2 | 1.3 | 1.1 | 0.9 |
| Perinatal period | 1.1 | 8.0 | 1.1 | 14.0* | 1.2** | 18.3*** | 1.1 | 21.1*** | 1.1** | 19.2*** | 1.1 | 10.8 |
| Injury and poisoning | 1.1 | 2.7 | 1.5*** | 9.5*** | 1.5*** | 8.3*** | 1.3*** | 5.1*** | 1.3* | 4.5* | 1.1 | 2.6 |
| Social admissions | 1.3 | 3.1 | 2.2*** | 4.8* | 4.4*** | 2.7 | 1.3* | 3.4 | 1.6** | 4.0 | 1.2 | 3.3 |
| Renal/genital | 1.0 | 0.7 | 1.1 | 2.5 | 1.4* | 2.7 | 1.3*** | 3.3*** | 1.2 | 3.8* | 1.1 | 1.5 |
| Neoplasm | 1.0 | 7.0 | 7.6* | 2.8 | 10.3 | 5.9 | 1.5 | 2.0 | 9.0 | 11.8** | 3.5 | 3.4 |
| Other | 2.2* | 2.3 | 1.8*** | 3.8*** | 2.1*** | 4.0** | 1.6** | 3.8*** | 1.7 | 3.7* | 1.3 | 2.6 |