Table 1

 Hospital admissions for first five years of life for neonatal survivors among cohort of children born in WA 1983–92 by ID status

Children with IDAll children without ID
With ASDMedically diagnosedSevereMild or moderateUnspecifiedAll children with ID
The interquartile range refers to data pertaining to the 25th and 75th centiles.
All statistical tests done row-wise against value for non-ID affected children. NS, not significant; *p<.05; **p<0.001.
Total number of children19160422321113933522238317
No. of children admitted to hospital12456919215863172788114819
Proportion of children admitted (%)64.994.286.175.180.779.248.2
No. of hospital admissions370434816926836152214768253431
Mean no. of admissions per child (SD)1.9 (3.3)**7.2 (8.3)7.6 (11.1)3.3 (4.9)3.9 (5.4)4.2 (6.3)1.1 (2.1)
Median no. of admissions per child (interquartile range)1 (0–3)5 (2–8)4 (1–10)2 (1–4)2 (1–5)2 (1–5)0 (0–1)
Mean no. of admissions per child admitted (SD)3.0 (3.7)*7.6 (8.3)**8.8 (11.5)**4.3 (5.0)**4.8 (5.7)**5.3 (6.7)**2.2 (2.5)
Median no. of admissions per child admitted (interquartile range)2 (1–4)5 (3–9)5 (2–11)3 (1–5)3 (1–5)2 (3–6)1 (1–2)
Mean of total no. of days in hospital per child admitted (SD)9.5 (16.0) NS45.3 (63.4)**50.0 (82.0)**23.4 (49.3)**30.5 (54.2)**29.9 (55.9)**8.3 (18.6)
Median no. of days in hospital per child admitted (interquartile range)4 (1–10)21 (8–54)20 (6–59)8 (3–22)9 (3–27)10 (3–30)3 (1–8)